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Calculator Collection

Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Health

Calories Burned Calculator

Estimate calories burned during exercise from body weight, activity intensity (METs), and duration. Use it to track exercise contribution to your daily calorie balance and to compare relative energy cost of different activities.

Fitness

BMI Calculator

Calculate Body Mass Index (BMI) — body weight in kg divided by height in metres squared — to screen for under/overweight categories. The most widely used population-level fitness and health risk metric, with known limitations for athletes and unusual body compositions.

Underweight<18.5Normal18.5–25Overweight25–30Obese I30–35Obese II+35+

Key differences

Calories Burned CalculatorBMI Calculator
CategoryHealthFitness
Inputs required32
ResultCalories Burned (calories)Your BMI
What it doesEstimate calories burned during exercise from body weight, activity intensity (METs), and duration. Use it to track exercise contribution to your daily calorie balance and to compare relative energy cost of different activities.Calculate Body Mass Index (BMI) — body weight in kg divided by height in metres squared — to screen for under/overweight categories. The most widely used population-level fitness and health risk metric, with known limitations for athletes and unusual body compositions.