James Schofield

One-rep max calculator

Estimate your 1RM from any set, and see what every rep range works out to at that strength.

Estimated 1RM117

What that means

1 rep · 97%113
3 reps · 91%106
5 reps · 86%100
8 reps · 79%92
10 reps · 75%88
12 reps · 71%83

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