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Calculator Collection

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Both calculators run independently β€” change the inputs on either side to compare results.

Fitness

BMI & Body Surface Area Calculator

Calculates your Body Mass Index using your height and weight. Use it to quickly screen for your weight category.

Fill in the required fields to see your result.
Fitness

Calories Burned Running Calculator

Estimate calories burned during a run from body weight, duration, and average speed. A quick first-pass for runners tracking energy expenditure; uses a simplified linear formula rather than full MET-based equations.

Fill in the required fields to see your result.

Key differences

BMI & Body Surface Area CalculatorCalories Burned Running Calculator
CategoryFitnessFitness
Inputs required23
ResultBody Mass Index (kg/mΒ²)Calories Burned (kcal)
What it doesCalculates your Body Mass Index using your height and weight. Use it to quickly screen for your weight category.Estimate calories burned during a run from body weight, duration, and average speed. A quick first-pass for runners tracking energy expenditure; uses a simplified linear formula rather than full MET-based equations.