Free strength tools

Strength tools.

A small kit of free calculators and generators for planning your lifting. No sign-up to try. Estimate a one-rep max or build a complete 5/3/1 program, then take it straight into the Ironstead app.

Calculator1RM CalculatorEnter a weight and reps to estimate your one-rep max, then get training percentages, warm-up sets and plate math.Open tool Generator5/3/1 GeneratorBuild a full week-by-week Wendler 5/3/1 program from your training maxes, with assistance work and plate math, ready to import.Open tool CalculatorRPE CalculatorConvert RPE to reps in reserve and to a percentage of your 1RM, with the full RPE chart and an optional one-rep-max estimate.Open tool CalculatorPlate CalculatorEnter a target weight and bar to see exactly which plates load on each side, color-coded, with only the plates your gym stocks.Open tool CalculatorWarm-up CalculatorEnter your working weight and reps to get a clean warm-up ramp with percentages, plate-rounded loads and per-set plate math.Open tool CalculatorWilks CalculatorEnter bodyweight, weight lifted and sex to get your DOTS and Wilks score, so lifters of any size compare on one scale.Open tool