Ryan Shaw

One-rep max calculator

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

Estimated 1RM263lb

What that means

1 rep · 97%254lb
3 reps · 91%239lb
5 reps · 86%225lb
8 reps · 79%207lb
10 reps · 75%197lb
12 reps · 71%188lb

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