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Free fitness tools

Eight free calculators that update as you type. Everything is calculated in your browser.

Training

Enter the weight and reps of one set to estimate your one-rep max and get loads at common percentages.

Pick your bar and the plates you have, enter a target, and see exactly what goes on each side.

Add up exercises, sets, reps and rest to see how long a strength session will take.

Estimate total daily energy expenditure from weight, height, age and activity level.

See how much protein a regularly training adult needs per day and per meal.

Turn a daily calorie target and macro split into grams of protein, carbs and fat.

Use the per-100 g numbers on a label to work out the calories and macros in the amount you ate.

Enter height and weight to get your BMI and the healthy weight range for your height.