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Exercise & Fitness Calculators
Translate movement into useful training numbers. Estimate activity energy, plan a running pace, or use a submaximal lifting set to estimate your one-rep max.
Find the right calculator
Steps to Calories Calculator
Estimate walking distance and energy from a step count.
Open calculatorWalking Calories Calculator
Estimate a walk's energy and distance from speed and time.
Open calculatorRunning Calories Calculator
Estimate a run's calories from weight, speed, and time.
Open calculatorCycling Calories Calculator
Compare cycling energy across time and intensity.
Open calculatorSwimming Calories Calculator
Estimate swimming energy from time and effort.
Open calculatorOne-Rep Max Calculator
Estimate maximum strength from a completed training set.
Open calculatorRunning Pace Calculator
Convert distance and time into pace, speed, and race splits.
Open calculatorMake sense of your results
Activity calorie tools use representative MET values and time, so they estimate group averages rather than measured expenditure. Pace is direct time-and-distance arithmetic. One-rep max equations estimate strength from a completed set and become less dependable as repetitions increase.
Frequently asked questions
What does MET mean?+
A metabolic equivalent expresses an activity's energy cost relative to a standard resting value. Individual resting metabolism and movement efficiency differ.
Are exercise calories total or active calories?+
The exercise tools label gross calories for the whole session and net active calories above an estimated resting baseline. Check the label before comparing devices.
Do I need to test a true one-rep max?+
No. The 1RM calculator estimates from a completed submaximal set. It is a planning reference, not an instruction to attempt the estimated weight.
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