Free strength training tools
Quick, no-sign-up calculators for the numbers you need between sets. Everything runs in your browser, in kg or lb.
1RM CalculatorEstimate your 1RM from any hard set, with a percentage table and rep-max chart.Open tool →Plate CalculatorSee exactly which plates to put on each side of the bar — or add up what is already loaded.Open tool →Warm-up CalculatorTurn your working weight into ramp-up sets, rounded to plates you can actually load.Open tool →RPE CalculatorConvert RPE and RIR, estimate %1RM from reps × RPE, and get a load for your next set.Open tool →