Free Fitness Calculators

Find out exactly what to eat, how much to lift, and whether your plan is working. No signup required.

TDEE Calculator

Find out how many calories you burn per day based on your age, weight, and activity level.

Get your daily protein, fat, and carb targets based on your body and goal.

Find out how much protein you need per day for your goal — whether you’re cutting, building, or maintaining.

Find out if you can build muscle and lose fat at the same time — and get a personalised plan if so.

Estimate your body fat percentage with just a few measurements. See your lean mass and fat mass.

See how long it will take to reach your goal weight. Compare mild, moderate, and aggressive options.

Estimate your one rep max from any set. Get a percentage chart for programming your training.