Credit Card Authorization Code List

Online business should also require the use of the CNP code. Once you have logged in.

Required Information For Credit Card Receipts

The credit card authorization code confirms the transaction and forms the first line of defense against credit theft.

Credit card authorization code list. If the credit card used is counterfeit or if the card. For example a credit card authorization code is a five- or six-number code from the issuing bank to the vendor that authorizes the sale. Call the 800 number listed on the back of the customers credit card.

001 CALL AE Refer to American Express. For the benefit of readers who arent familiar a merchant category code MCC is a four-digit number the major credit card networks Visa Discover American Express and Mastercard assign to every business that applies to accept credit cards. To submit a voice authorization code for a credit card transaction.

001 CALL ND Call your VisaMasterCard Voice Authorization Center. Second it prevents unwanted and fraudulent chargebacks that can hurt the relationship between a business and a. Ein Code der von einer ausstellenden Bank aus fünf oder sechs Nummern generiert wird.

If you receive a CALL FOR AUTH or CALL AUTH CENTER transaction response it means that the customers bank needs further information to approve the transaction. A credit card authorization form serves 2 primary purposes that play a large and important role for businesses and merchants. 001 CALL JB Refer to JBS.

001 CALL DISCOVER Refer to Discover. 37 Zeilen Declined - Card Amount Invalid. CVV2 Code 3 or 4 digit code Extra Contact Information phone number email etc Heres a sample authorization form with the suggested fields in place.

What is a Credit Card Authorization Form. First it gives a business the authority to charge a credit card without the buyer being physically present. A credit card authorization key refers to an specialized code used in credit card transaction authorizations to confirm the purchase.

Call the appropriate voice authorization center. Debitdeposit access accounts other than those linked to a Visa card includes checkingsavings accounts and proprietary debitATM cards 06. This process is instant and will clarify whether there are sufficient funds in the bank as well as if the card is stolen or has been cancelled.

Approvals or denials are based on your availability of credit. Two other checks are. When paying by credit card the merchant will first authorize the card before the transaction takes place.

This helps to prevent fraudulent card use. If the transaction is approved they will provide you with an approval code 6 alpha-numeric characters. R Radio frequency identification RAM scraping attack Rate tart Re-aging or re-age Reaffirmation Reason code Receipt Recovery room scams Recurring billing Redlining Reference number Refund Regulation DD Regulation E Regulation X Regulation Z Reloadable card Reloaded Remote deposit capture Residual interest Restore Online Shoppers Confidence ACT ROSCA Retail card Retail merchant Retroactive.

Global Payment Systems NDC Credit Card Authorization Codes Code Verbiage Description 000 AP Approved or completed successfully. Credit Card Authorization Order Form Sample. When a merchant or store where you make a purchase contacts either a processor or your credit card company the authorization code confirms that your transaction was processed and gives an approval or denial.

If the customer does not have this code the transaction should be. Credit card authorization codes are unique to each separate transaction and they are used to ensure a safe transaction and in order to avoid the occurrence of fraud. LinkedIn with Background Education.

The number corresponds to the type of business or service the company offers. 001 CALL DC Refer to Diners Club. Im working on a module that will receive the messages in a custom format with all the information required to process the request Purchase Cash Disbursement Balance Inquiry so in order to compose the response i have to generate the authorization code Field 38 - ISO8583 only if the transaction was processed sucessfully.

The Card Not Present code is a must when it comes to online business or business being conducted over the phone. You will need to call our voice authorization center at the number below. Der Code wird verwendet um eine Kreditkarte zu validieren und sie zu genehmigen wenn ein Kauf oder Verkauf getätigt wird.

Declined - Card Number Invalid. 001 CALL CB Refer to Carte Blanche. To download a copy of this document to Click Here.

If this address does not match the transaction will be declined. Credit accounts other than those linked to a Visa card includes credit cards and proprietary credit lines. This code is a three-digit number listed on the back of the card.

Ask the issuing bank for a six-digit authorization code for your transaction.

Best Cross Training Shoes For Runners

Nikes signature training shoe is more breathable than ever which comes in handy since the versatile kicks allow you to transition from lifting to running seamlessly. Asics Gel Nimbus 22.

11 Best Cross Training Shoes Reviewed For 2021

Female runners training more than 20 miles a week included weight training three times a week for 10 weeks.

Best cross training shoes for runners. Best Cross Training Shoes for Agility Workouts. Best Cross Training Shoes for CrossFit. Adidas designs and creates some of the best training shoes on the market and the Mens Powerlift 31 is no exception.

In one study of 300 runners who logged at least five miles per week two-thirds developed at least one injury during a two-year period according to a 2018 study published in the American Journal of Sports MedicineAnd even minor injuries can be enough to derail your training program or stunt your progress. It comes with supportive and reinforced soles that enable runners to cover different types of terrains by providing required grip and shield to run swiftly. Throughout the design you can see how they have thought about making the CrossFit experience better.

Nike Free X Metcon 3. Best CrossFit Shoe for Running. There are so many brands of CrossFit training shoes available in the stores for runners.

Best Cross Training Shoes for Stability. One of the best cross training shoes for men they feature a lightweight synthetic leather upper for ankle support and durability perfect for those who prefer a. These runners then performed treadmill.

Weight Training Improves Running Economy. The lightweight shoes are perfect for tackling pavement or. They perform well in just.

However getting the right ones that fit your needs and comfort can at times get very difficult. Weight training can improve running economy according to a study by Ron Johnston MS a graduate student and accomplished ultra-marathoner at the University of New Hampshire in Durham. In practice this makes for improved stability during deadlifts squats and any number of complexes the WOD might.

The rubber outsole keeps you firmly grounded during lifts and the upper part of the shoe is made of durable canvas thats built to last. Hands down the best shoes for CrossFit training. Reebok Speed TR Best Running Shoes for Long Runs.

It will offer much more stability than a regular running shoe if thats what youre currently training in and will make your workout. Weightlifting is a fantastic cross training exercise for building strength and these shoes are some of the best to reach your PRs in. Best Running Shoes for Cross Training.

Unlike its high-cushion counterparts the Minimus comes with a 4mm drop and a low stack height. If youre looking for a training shoe to wear for CrossFit workouts weightlifting or high intensity training the Under Armour TriBase Reign 2 could be a good choice. Though you can use these shoes to strength train too the DNA LOFT Crash Pad cushions on these make them ideal for running.

Reebok Mens CROSSFIT Nano 80 Flexweave Cross Trainers are without doubt some of the best CrossFit training shoes available. This model from Adidas is termed one of the best cross country running shoes for athletes on the market. Running is a repetitive high-impact activity that poses a risk of overuse injury.

The Nanos have a flat extremely stable sole while having amazing cushion and enough support to prevent shin splints during intense met-con. Nike Metcon 6 Mens Womens Possibly the best-known CrossFit shoes on the market the Metcon line took the world by. Brooks Glycerin 19 Best Running Shoes for the Money.

Although New Balance is a brand best known for its bouncy running shoes it also happens to make a crop of CrossFit-ready trainers chief among those being the Minimus 20v7. So we have hand-picked ten amazing CrossFit training shoes and listed them below. Our testers say that the Mizuno Wave Inspire 16 WaveKnit is perfect for beginner runners especially if youre new to running and need a shoe to give you a.

Wearable Heart Rate Monitor

Shop Items You Love at Overstock with Free Shipping on Everything and Easy Returns. The core features of this wearable are complete heart health tracking medically accurate ECG innovative and convenient design helps to share the ECG data and heart rate monitoring with your doctor directly through the application.

Creating A Wearable Heart Rate Monitor Mouser

Suunto 9 GPS Sports Watch.

Wearable heart rate monitor. This fitness tracker is a heart rate monitor calorie counter. The coin-size wearable recorder acquires and processes the electrocardiogram and sends annotated tachogram data accordingly to the subjects status and programed schedule. Garmin HRM-Tri Heart Rate Monitor 9608 List Price 12999 Powr Labs Heart Rate Monitor Chest Strap 3999 List Price 5999.

Many contain smart sensors that can record both heart rate and rhythm. TICKR heart rate monitors are known for their comfort and convenience even during the most intense workouts. Anzeige Super-Angebote für Heart Rate Monitor hier im Preisvergleich bei Preisde.

Hier ansehen vergleichen sparen. Manufactured by Qardio QardioCore is the first wearable ECG for heart rate monitoring and measurements. Wearable heart rhythm monitoring devices are typically worn on the wrist or on a chest strap.

Its budget-friendly light and has internal memory. Wellness versatility and smartphone compatibility make Polars A370 Fitness Tracker our top pick for keeping tabs on health stats. You can go for a run and leave your phone at home knowing the V100 will capture your workout to its internal storage.

Such data enables you to determine whether youre working out in a heart rate zone safe for your body while also reaching an effort level that boosts your fitness. Anzeige Over 20 Years of Experience To Give You Great Deals on Quality Home Products and More. The Viiiiva is a no-frills passive chest heart rate monitor usually used during workouts.

Große Auswahl günstige Preise. Anzeige Top Fitnesstracker bei shopping24 entdecken. This is a monitor that uses flashing LEDs to penetrate the.

We propose a wearable heart rate variability monitor connected via wireless digital link to a home-embedded infrastructure of multimodal health surveillance system. Heart Rate Monitor zum kleinen Preis. It also has a heart rate monitor and can take an ECG.

Von riesiger Produktauswahl profitieren. Wahoos top-end heart rate monitor has been updated and its now smaller lighter and better for tracking without taking your phone or running watch along. Anzeige Günstige Staffelpreise Top-Marken aktuelle Angebote.

The new Tickr X weighs just 48g. Best for people with heart problems. The V100 falls into the category of previous generation monitors.

In geprüften Shops bestellen. TRAIN CONFIDENTLY AND FOCUSED. The devices can connect to the internet for data reporting.

A heart rate monitor tracks your heart rate and other information related to how hard your body works during exercise. Some wearables such as the best triathlon watches can measure heart rate under water but just like during running youll get more accurate results wearing a water-resistant heart rate monitor. This is a fully-fledged wearable with all of the health and fitness features you would expect from an Apple Watch plus notifications water resistance the ability to handle calls stream music make contactless payments and more.

The new integrated chest strap and slim design makes TICKR and TICKR X easy to use and secure while the advanced performance material of the TICKR FIT is designed to fit snugly around your arm. This project is a simple introduction into developing heart rate monitor wearable devices using a Maxim Integrated development platform Mbed operating system OS and Android with cloud integration. Most of the wearables on the market at the moment have optical heart rate monitors inside them.

How To Calculate Rmr

These parameters are summarised to give a value of RMR. The following activitystress factors when used along with an estimation of the resting or basal metabolic rate can be used to estimate an individuals total energy expenditure TEE in kcalday recommend daily calories to maintain current weight RMR TEF ADL.

Rmr Calculator For Android Apk Download

Resting metabolic rate RMR is closely related to Basal Metabolic Rate BMR is the amount of calories that your body burns while you are at complete rest.

How to calculate rmr. The absolute best way to calculate resting metabolic rate is. For the example of calculating RMR for muscle gain if your RMR is 2000 calories daily activity level calories of 500 then a 10 calorie surplus will mean that you need to roughly eat 2750 calories a day to ensure you are in caloric surplus. Zones in which certain geological feature are more or less uniform.

Basal metabolic rate is a precise calculation with a precise definition. Q RQDJn JrJa JwSRF eq. How to Calculate Resting Metabolic Rate.

All parameters are measurable in the field and some of them may also be obtained from borehole data. Its defined in different ways and you need a very careful understanding of how RMR is going to be calculated for your deal. Use the Calculate Your Own RMR If you love math you can also calculate RMR on your own.

Your RMR or metabolic resting rate is part of your TDEE or the total number of calories. You know your gross RMR. Resting metabolic rate 10 x W 625 x H - 5 x A 5.

1974 of the Norwegian Geotechnical Institute NGI worked out the Q system for estimating rock support in tunnels. The equations for males and females are. Resting metabolic rate also known as RMR is the rate at which your body burns energy when it is at full rest.

RMR is also known as BMR basal metabolic rate. This formula uses your gender height weight and age to predict RMR. Jeor equation to find the resting metabolic rate.

RMR is close enough for practical purposes. The equation for men has you add 884 plus 134 times your weight in kilograms then add 48 times your height in centimeters. Its the invoice you send the subscriber.

The Harris-Benedict Equation The revised Harris-Benedict Equation is a pen and paper calculation often used to estimate BMR or RMR in men and women. 6551 4347 x weight in lbs 407 x height in inches 4676 x age Another way to find RMR is the Katch-McArdle equation. RMR 1375 x WKG 5 x HC - 676 x age 66 x 11.

The Harris-Benedict Equation is often used to estimate RMR or BMR. RMR 956 x WKG 185 x HC - 468 x age 655 x 11. The value of Q is defined by six parameters combined in the following equation.

If you search this question on the internet you will find a few options to calculate RMR but I highly advise you stay away from the web formulas and use the most accurate method hydrostatic testing. RMR is the amount of calories that is burned while in complete rest. RMR 435 x WP 47 x HI - 468 x age 655 x 11.

To apply the RMR classification the rock mass along a tunnel route is divided into a number of structural regions ie. Its the net RMR that you need to focus on. This calculator uses Mifflin St.

Your metabolic rate your resting metabolic rate easy to calculate reasonably accurately energy consumed by your daily activities must guestimate. Using that same example and this equation the females RMR would equal approximately 1356 calories. 10 weight in kg 625 height in cm - 5 age in years 5.

It uses only your lean body mass. 655 96 x weight 185 x height - 47 x age The formulas are from Katch McArdle Katch 2011. And for females it is.

From this number subtract 568 times your age in years. In order to use one of these online RMR calculators you simply need to know your height your weight your age and your gender. Various scientists have derived many formulas and equations to find the RMR.

Based on a large database of tunnel projects Barton et al. RMR 625 x WP 127 x HI - 676 x age 66 x 11. To see how many calories your body needs to perform basic functions such as breathing and circulation you can calculate your resting metabolic rate.

10 weight in kg 625 height in cm - 5 age in years - 161. In order to manually calculate your RMR you need to perform the necessary unit conversions then replace the respective values in the formula for your gender. 6647 625 x weight in lbs 1271 x height in inches 6755 x age Female.

First you should see the term RMR then the term net RMR. Jeor derived a formula to find the resting metabolic rate.

Stress Fracture Shoe

5 Best Shoes for Stress Fracture 1- Vive Post Op Shoe. Check Price On Amazon The Brooks Ghost 11s have won the Runners Worlds Editors Choice honor for.

Stress Fractures And Their Treatment Dr Brian Fullem Athletebiz

Stress fractures have been in my life for the past 3 years.

Stress fracture shoe. Treatment for stress fractures usually involves rest while the bone heals and changing your activity level to prevent another injury. Lastly since you have multiple stress fractures in small area there may be a problem with the way your foot functions. A stress fracture is a small crack in a bone caused by repetitive force or stress.

What are the symptoms of a stress fracture. You can download our list of recommended shoes. An orthotic may go a long way in removing the stress from that part of your foot and prevent further fractures.

Pain that reduces after resting Pain that starts or gets worse even during normal daily activities Swelling on the top of the foot or on the outside of the ankle The site of the fracture may be tender to the touch Possible bruising around the area. A stress fracture is similar to a bone bruise and typically occurs after some type of trauma or overuse. A stress fracture is a small but painful fracture in a bone of the foot most commonly seen in athletes.

Check Price On Amazon The Saucony Zealot running shoe includes their protected. To help prevent stress fractures wear a stable shoe. Signs of wear include outsoles that appear rubbed-down heel cups that are tilted outward and holes in the toes according to Pribut.

The most common symptoms of a. Saucony Zealot ISO Running Shoe. Its recommended walkers switch out their shoes every 300 to 600 miles.

HOKA ONE ONE. This can happen from repetitive trauma and is commonly seen in athletes particularly long-distance runners. They come in different amounts of cushioning with the Paradign 15 having the most cushion.

ProCare squared toe post-op shoe is a medical and surgical shoe specifically. Best Running Shoes For Metatarsal Pain. The best shoes I have found are the ALTRA brand they are wide in the forefoot and have no incline from rear to front zero drop.

Stress fractures can cause significant discomfort especially in areas. What Are Stress Factor Symptoms. 2- ProCare Squared Toe Post-Op Shoe.

Worn-out shoes are a major cause of stress fractures according to the American Academy of Orthopaedic Surgeons. BraceAbility Post-op Shoe for Broken Foot or Toe MedicalSurgical Walking Shoe Cast Boot Stress Fracture Brace Orthopedic Sandal with Hard Sole Large - Female 44 out of 5 stars 1278 2299 22. They often result from overuse of the bone.

This is a device as the name implies helps bone fractures to heal. Wear a Stable Shoe. A stress fracture is a very small crack in the bone.

The best orthopedic support shoe for. Wearing old or incorrect running shoes that have lost or no shock-absorbing ability may contribute to stress fractures. If you are currently nursing your feet after the operation.

Most insurance companies will cover them. Stress injuries can be found in the shin bone foot heel hip and lower back. There are four main types of stress fractures and they can occur in different areas of the foot.

One of favorite walking shoes for people with a history of metatarsal stress fracture is the Orthofeet Walker shoe. Amazons Choice for stress fracture boot Superior Braces Low Top Non-Air Low Profile Medical Orthopedic Walker Boot for Ankle Foot Injuries Black Small. Very stable and offers good.

Low Heart Beat

Abnormalities of heart rate sometimes indicate disease. Hearing a thumping in your ears also known as pulsatile tinnitus can be caused from Menieres disease which can affect your balance and hearing.

Low Heart Rate Since Receiving A British Heart Fou

Beta blockers which are often prescribed to treat high blood pressure or tachycardia abnormally fast heart rate may also cause your heart to beat too slowly.

Low heart beat. While this figure technically qualifies as low resting heart rate in reality it does not signify any health risk. Tachycardia means that your heart is beating too fast. Your heart rate should be strong and regular without any missed beats.

A low heart rate may also be a side effect of certain medications such as digoxin a common drug used to treat heart failure. In general for adults a resting heart rate of fewer than 60 beats per minute BPM qualifies as bradycardia. Read our article Low Heart Rate.

Normally your heartbeats 60 to 100 times a minute when youre at rest. Bradycardia can be a serious problem if the heart doesnt pump enough oxygen-rich blood to the body. Seek immediate medical care call 911 if you or someone you are with experience shortness of breath chest pain or pressure lightheadedness or loss of consciousness or if you think you may be having a heart attack.

Since Apple uses 40 bpm as the default. Bradycardia is a low heart rate defined as below 60 bpm at rest. A slow heart rate is considered anything slower than 60 beats per minute for an adult or child at rest.

However a slow heartbeat may occur as a symptom of a serious or life-threatening condition such as a heart attack myocardial infarction. For example a normal heart beats 60 to 100 times per minute in adults. The hearts of adults at rest usually beat between 60 and 100 times a minute.

Bradycardia is a slower than normal heart rate. Low Pulse Rate. The speed of the heartbeat varies as a result of physical activity threats to safety and emotional responses.

Whats considered too slow can depend on your age and physical condition. Bradycardia low heart rate. What the Irregular Heart Rhythm Notification Means.

But with bradycardia it goes down to less than 60 beats a minute. While Apple does not provide an answer to how often the Apple Watch tracks heart rate through the day we do know it can detect low heart rates during 10-minute intervals. Tachycardic at greater than 100 beats per minute.

When the heart is not beating in a regular pattern this is referred to as an arrhythmia. Tired of the ads and want this on your music playerGet the track here. Not only does it measure your heartbeat during rest but its looking out for irregular high and low heart rhythms.

A resting heart rate is slow ie. Bradycardia is a slower than normal heartbeat at around 4060 beats per minute. Bradycardia refers to a heart rate that is below 60 beats per minute.

Pence 61 is expected to make a full recovery from the pacemaker implantation which is a common procedure. Your heart will typically beat between 60-100 times each minute when you are at rest. This might not cause a.

The resting heart rate refers to the heart rate when a person is relaxed. What you need to know. Tachycardia is any resting heart rate.

If you have bradycardia brad-e-KAHR-dee-uh your heart beats fewer than 60 times a minute. However athletes and other people with vigorous exercise regimens typically post sub-60bpm scores sometimes reaching the low 40s. Viele übersetzte Beispielsätze mit low heart beat Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen.

A resting heart rate is fast ie. Cardiomegaly is the state of an enlarged heart and cardiac hypertrophy the thickening of the muscular wall of the heart specifically the left ventricle which pumps oxygenated blood to the aorta. Elderly people for example are more prone to bradycardia.

In most cases bradycardia does not cause complications or symptoms but this can be a serious condition because a low pulse rate means the heart is not pumping an adequate supply. The official diagnosis for low resting heart rate bradycardia is an RHR that is lower than 60bpm. During sleep a slow heartbeat with rates around 4050 bpm is common and is considered normal.

Bradycardia is a heart rate thats too slow. If its beating. Bradycardia may be problematic in people who are taking medications that also slow their heart rate.

A resting heart rate is normal between 60-100 beats per minute. Low heart beat - Deutsch-Übersetzung Linguee Wörterbuch. Other causes of pulsing in the ear include earwax buildup or temporomandibular joint dysfunction disorder.

But how common is the low heartbeat caused by bundle branch block and how do you know if you have it. In 2016 Pence was found to have a slow heartbeat and diagnosed with a condition called left bundle branch block an abnormality in the electrical impulses of the heart. Bradycardic at less than 60 beats per minute.

If your heart beats fewer than 60 times a minute it is said to be slower than normal.

How Do You Figure Out Your Body Fat Percentage

Male 0 and female 1. The fat percentage indicates the amount of fat in the total body weight as a percentage.

Do You Know Your Body Fat Percentage By Gunvant Sharma Medium

That gives you 30 your number of pounds of fat.

How do you figure out your body fat percentage. BFP 120 BMI 023 Age - 162 Body fat percentage BFP formula for adult females. But to measure your body fat percentage you will have to get up and measure your waist hips and body weight. This calculation has been shown to slightly overestimate body fat percentage in people who are very overweight.

If muscle condition is poor the BMI may indicate normal. It should not be confused with body mass index BMI which looks at your height and weight to determine your weight category. Body fat percentage BFP formula for adult males.

To help you with that we thought of sharing an effective method that you can follow on your own to get to know about the fat percentage in your body. Pull the fat away from your muscles pinch them with the caliper take the measurements and look at a chart to figure out your body fat percentage. The body fat index is not an indicator of fitness level since the calculation is made with no regard to height or weight.

Your body fat percentage BFP or BF is the percentage of your body fat in relation to your overall weight. A body fat percentage calculator using height and weight age gender weight and hip measurement to calculate body fat percentage within a fraction of seconds. To calculate body fat percentage add your waist and hip measurements and then subtract the neck measurement to determine your circumference value.

If you weigh 200lbs and your body fat percentage is 30 this means that your body fat weight BFW is 60lbs. Body fat percentage is the ratio of fat to total body weight. No matter what you do you need to understand how to find fat percentage in your body is there.

If you are interested how it works here are the formula we use. For example if your waist is 30 your hips are. Determine your body fat percentage with our body fat calculator.

Then input your gender and measurements below to receive a body fat index based on average values. Body fat percentage gives you a better overall picture of your health and allows you to create a plan that will not only help you lose weight but specifically unwanted body fat. To convert the result into a percentage use the following formula.

For example a bodybuilders BMI may indicate that heshe is overweight although the fat percentage is low. Take your BMI result from Step 3 and plug it into the appropriate formula below to calculate your body fat percentage. Having too much body fat can make a person obese which can increase the risk of health issues such as type 2 diabetes or high blood pressure.

BMI Body Mass Index is basically your height divided by your weight while body fat percentage is the weight of your fat divided by your total weight. 120 x BMI 023 x Age - 162 Body Fat Percentage. Any person will be able to follow this method and end up with securing accurate results at the end of the day.

We asked people to test it and this is what they told us. This simple Body Fat Calculator tells you how much fat your body has. Then Calculate Your Pounds of Body Fat Now figure out how many pounds of fat you own by multiplying your weight by your fat percentage.

120 x BMI 023 x Age - 54 Body Fat Percentage. So for example if you weigh 200 pounds and have 15 percent body fat multiply15 x 200 dont forget the decimal point. Given BMI the following formulas can be used to estimate a persons body fat percentage.

Some recommend using one test site some multiple. Body fat 44988 0503 age 10689 gender 3172 BMI 0026 BMI 2 0181 BMI gender 002 BMI age 0005 BMI 2 gender 000021 BMI 2 age Where. The other 140lbs is your lean body mass LBM.

495body density 45 x 100 body fat percentage. Use a tape measure to determine your waist wrist hip and forearm circumference. The BBC has launched a new app that shows how your body weight ranks against people globally.

BFP 120 BMI 023 Age - 54 Body fat percentage BFP formula for boys. It is somewhat better than BMI as an indicator for assessing weight because BMI assumes that muscles are in average physical condition.