Calculators.
Free lifting tools. No accounts required. Built to run alongside RepRaptor or on their own.
One-rep max.
Estimate your max from any rep count. Five formulas, full percentage table.
Plate calculator.
What to load for any target weight, in lb or kg.
RPE calculator.
Convert rate of perceived exertion to training percentages.
Wilks score.
Bodyweight-adjusted total for comparing strength across weight classes.
DOTS score.
The IPF's newer bodyweight-adjusted scoring formula.
IPF GL points.
The IPF's official Goodlift score, in use at meets since 2020.
Volume calculator.
Weekly sets per muscle group, tonnage, and load management.
Strength ratio.
Screen your squat, bench, and deadlift to find the lift that is lagging.
Other comparisons.
Everfit.
Most features in the category. Steeper learning curve.
Hevy Coach.
Workout-only. No discovery or community layer.
Kahunas.
Strong nutrition tools and a real branded app at $99/mo.
Trainerize.
Gyms and studios that need branded apps and community tools.
TrueCoach.
Remote 1-on-1 trainers. The 5% payment fee adds up fast.
Stop calculating.
Start tracking.
Log every set in RepRaptor. Free forever for lifters.