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Free Fitness Calculators — BMI, TDEE, 1RM & Body Fat

Crunch your numbers in 10 seconds. Use these free — when you're ready, turn the numbers into a real plan, also free.

BMI Calculator

Body Mass Index from height & weight.

Daily Calorie (TDEE)

How many calories you burn per day.

One-Rep Max

Estimate your max lift (Epley formula).

Body-Fat Estimator

US Navy method (tape measurements).

Numbers are nice. A plan is better.

Turn these into a personalised workout & diet plan — free, no card.

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