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Fitness Performance calculators

Explore 2 free fitness performance calculators. Calculate in your browser with clear inputs, worked examples, and transparent methods.

2 calculators available

Fitness Performance

2

Calories Burned Calculator
Estimate exercise energy expenditure from activity MET value, body weight, and duration.
Target Heart Rate Calculator
Estimate maximum heart rate and training zones with both percent-maximum and Karvonen heart-rate-reserve methods.