Free Fitness Tools
The math every lifter ends up doing, done for you. No signup needed, and everything here runs automatically inside the Liftoff app.
One Rep Max Calculator
Enter the weight and reps from a recent hard set. You get an estimated one rep max plus a %1RM table you can plan your training around.
TDEE Calculator
Your Total Daily Energy Expenditure is the calories you burn per day, training included. Enter your stats to get maintenance, cut, and bulk targets.
Protein Intake Calculator
Protein is the one macro worth hitting every single day. Enter your bodyweight and goal to get a daily gram target.
Macro Calculator
Calories set the direction; macros set the quality. Get a daily protein / fat / carb split for a cut, maintenance, or a lean bulk.
Body Fat Calculator
A tape measure and two minutes get you a usable body-fat estimate. Enter your measurements to see where you stand.
Barbell Plate Calculator
Stop doing plate math between sets. Enter your target weight and bar, and get the exact per-side loadout.
All of this, automatic.
Liftoff estimates your 1RM, ranks the lift, and updates your macros every time you log. No calculators needed.
150k+ ratings · Free on iOS & Android
