Free tools for lifters
Calculators for the arithmetic that comes up in every training session. Free, no account needed.
Strength Standards
See how strong you are for your age and bodyweight across 29 lifts with a set depth for each, at 1, 3, 5 and 10 reps, and what you need to stay strong later.
1RM Calculator
Estimate your one-rep max from any set using the Epley, Brzycki and Lombardi formulas, with a percentage table.
Plate Calculator
Enter a target weight and see exactly which plates go on each side of the bar, in pounds or kilograms.
PR Vault
For members: a record of your personal bests, kept from the workouts you log in the app.