Free calculators
Lifting calculators, free
Work out your one-rep max, the plates for any weight, and every set of the most popular strength programs. Pounds or kilograms, no sign-up. They use the same math as ReadyLift, which runs these programs for you.
- Free calculator
1RM calculator
Estimate your one-rep max from any set, with a percentage chart and rep max table.
- Free calculator
Plate calculator
See exactly which plates go on each side of the bar for any weight.
- Free calculator
5/3/1 calculator
Training max, every 5/3/1 set for the cycle, and the Boring But Big 5×10.
- Free calculator
nSuns calculator
All four days of nSuns 5/3/1 LP from your maxes, plus next week's training max.
- Free calculator
Madcow 5x5 calculator
Every ramp set, triple and back-off set for weeks 1 to 12.