Free Fitness Tools
Calculate, track, and optimize your fitness journey — completely free.
Training Tools
1RM Calculator
Estimate your one rep max from submaximal loads.
Max Single Protocol
Warm-up protocol for testing your 1RM safely.
Exercise Search
Search a database of exercises with descriptions and videos.
Create Exercise
Build custom exercises for your workouts.
Training Programs
Browse pre-built training programs.
Nutrition Tools
TDEE Calculator
Find your Total Daily Energy Expenditure.
BMI Calculator
Check your Body Mass Index.
Macro Calculator
Calculate your ideal protein, carbs, and fats.