Training Calculators
Free tools to estimate a 1RM, compare totals, plan your loads. No signup.
- Live
1RM Calculator
Estimate your one-rep max from any working set. Epley, Brzycki, Lombardi, O’Conner formulas — free, no signup.
- Live
Wilks Calculator
Compare powerlifting totals across bodyweights and sexes. Wilks 2020 — the IPF-adopted formula. Free, no signup.
- Live
Plate Loading Calculator
See which plates to load on each side of the bar for any target weight. Standard kg and lb plate sets. Free, no signup.
- Live
RPE Calculator
Convert between RPE, reps, and %1RM. Find the load for "5 @ RPE 8" or back-solve what RPE your set actually was. Free, no signup.
- Live
Volume Load Calculator
Tally session tonnage (sets × reps × weight) across as many exercises as you ran. Free, no signup.
- In the app
CMJ Vertical Jump
Measure your countermovement jump (CMJ) height with just your phone camera. Free, no signup.