Fitness · Free tool
Heart Rate Zone Calculator
Find your training heart-rate zones from your age.
Max heart rate estimated as 220 − age. This is an approximation; your real max can differ. General information, not medical advice.
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Running Pace Calculator
Work out your pace, speed and finish time from any distance and time.
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Calories Burned Calculator
Estimate how many calories you burn in a workout, by activity and body weight.
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BMI Calculator
Calculate your Body Mass Index and see which category it falls in.
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One-Rep Max Calculator
Estimate your one-rep max from the weight and reps you lifted.