Free Gym Calculators

Practical tools for serious lifters. No signup, no paywall — just the numbers you need.

TDEE Calculator
Calculate your Total Daily Energy Expenditure — the number of calories your body burns each day. Use it to set accurate calorie targets for cutting, maintaining, or bulking.
Calculate TDEE →
Macro Calculator
Find out exactly how many grams of protein, carbs, and fat to eat daily. Adjusts protein targets by training experience and body fat percentage for precise results.
Calculate Macros →
One Rep Max Calculator
Estimate your 1RM for any lift using your reps and weight. Supports multiple formulas including Epley, Brzycki, and Lombardi so you can compare and choose.
Calculate 1RM →
Progressive Overload Calculator
Build a free week-by-week progressive overload plan for weighted and bodyweight exercises. Supports bench, squat, deadlift, pull ups, push ups, and more — with add weight, add reps, and add sets methods.
Build your plan →

Track your lifts in the app too

Sleet brings these calculators into your gym workflow — alongside a full workout tracker, AI planner, and progressive overload charts.