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Free Fitness Calculators & Workout Tools
Fast, focused tools for planning workouts, estimating training numbers, and getting your next session started.
Free workout planner
Workout Plan Generator
Build a complete weekly routine for muscle gain, weight loss, or endurance with no account required.
Open free toolFree workout builder
Workout Routine Builder
Arrange exercises, sets, reps, and rest into a custom workout you can edit and print.
Open free toolOnline timer
Tabata & Interval Timer
Run custom work and rest intervals with rounds, sets, sound cues, and fullscreen mode.
Open free toolMobile video timer
YouTube Workout Timer for Phone
Mark video intervals and rest periods, then open or share a mobile-friendly workout timer.
Open free toolStrength calculator
1RM Calculator
Estimate your one-rep max with three formulas and view training percentages.
Open free toolWorkout calculator
Calories Burned Calculator
Estimate energy expenditure for strength training, HIIT, running, cycling, and more.
Open free toolTraining calculator
Workout Volume Calculator
Add multiple exercises and calculate total sets × reps × weight for the session.
Open free tool