BMI Calculator

Find your Body Mass Index (BMI), then use our BMI chart to determine if you are in a healthy weight range

Calculate Your BMI

Measurement:
Height:
 ft.     in.
Weight: lbs.

Your BMI: --

BMI Index

Body Mass

Below 18.5 = Underweight
18.5 – 24.9 = Normal
25.0 – 29.9 = Overweight
30.0 & Up = Obese

What is BMI?

Your Body Mass Index (BMI) can tell you if you are Healthy Weight Range.

It is important to remember that a BMI Calculation is not perfect as it does not take into account age, people less than 5 feet, muscular builds and pregnant woman.

Matthews Calorie Counter does not use your BMI in any of your weight loss calculations. Your BMI is just a ballpark figure and should not be used to determine whether you are healthy or not, only your doctor can determine that.



How to Calculate BMI?

Step 1. Convert your Height and Weight into Inches and Pounds.

Step 2. Using this BMI Formula, calculate your BMI: ( Weight / ( Height * Hieght ) ) * 703 = BMI

*For a metric version, please see our Metric BMI Calculator



Conversion Formulas

Height Conversions

To Convert Inches into CM: Inches * 2.54 = CM

To Convert CM into Inches: CM * .3937008 = Inches

Weight Conversions

To convert Pounds into KG: KG * 2.2 = Pounds

To convert KG into Pounds: Pounds / 2.2 = KG



Don't have an account yet? - Join Now!

Matthews Calorie Counter is 100% FREE. Join now and take advantage of these exciting features!

Personal Food Library

Everyone with a new account starts with the most basic foods in their Personal Food Library. You can then build a custom food library that fits your lifestyle.

Over 9,000 Food Database

Use our Quick Text Search to quickly find foods in your Personal Food Library or search over 9,000 USDA approved Foods to find the foods that best fit your weight loss goals.

Weight Loss Tickers

Each account created starts off with a Basic Weight Loss Ticker. But even if you dont have an account, you can still create one for FREE! Just visit our Weight Loss Ticker page to start.

...and much more!

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