Free Fitness Calculators
Train smarter with data. Our free tools help you estimate your strength, plan progressive overload, and find the perfect training split for your goals.
TDEE Calculator
Find out how many calories you burn per day for fat loss or muscle building.
More infoMacro Calculator
Calculate your daily protein, carbs, and fat targets for your goals.
More infoOne Rep Max Calculator
Estimate your 1RM using 7 proven formulas. Works for any exercise.
More infoProgressive Overload Calculator
Plan your next workout with linear, double, or percentage-based progression.
More infoWorkout Split Finder
Answer 5 questions to find your ideal training split.
More infoExplore More
Exercise Library
Browse 1,000+ exercises with form guides
Workout Splits Guide
Find the best training split for your goal
Progressive Overload Guide
The science of getting stronger over time
Rep Ranges for Growth
How to choose sets and reps for your goal
Best Push Pull Legs Split
The most popular training split explained
Sets Per Muscle Group
How much volume you actually need
Want a Complete Personalized Plan?
These calculators are just the start. Get a full workout plan with exercise selection, sets, reps, and progressive overload built in.
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