Calculate it. Then train it.

Fast, private browser tools for estimated one-rep max, RPE and RIR, workout tonnage and loading a barbell.

01

One rep max calculator.

Estimate one-repetition maximum from a submaximal set in kilograms or pounds using Epley and Brzycki equations.

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02

RPE and RIR calculator.

Convert lifting RPE to repetitions in reserve and estimate 1RM from load, reps and the remaining-repetition estimate.

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03

Workout volume calculator.

Calculate set tonnage and total workout volume from sets, repetitions and load without saving your inputs.

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04

Barbell plate calculator.

Calculate the plates needed on each side of a barbell for a target load in kilograms or pounds.

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