Squat 1RM Calculator

Enter your squat working weight and reps below. The back squat 1RM is a primary strength metric in powerlifting, tested at legal depth. A working set of 3–10 reps gives the most reliable estimate.

Squat Insights

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Squat
5 reps
One Rep Max
5 reps @ 225lb
253
lb
Brzycki formula
Squat — Estimated 1RM
5@225lb
253lb
Using the Brzycki formula
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Squat Strength Level

Strength levels for a 200lb male, age 30 lifting 253lb · enter your details.

Squat Rep Max Projections

Brzycki algorithm

RepsWeight (lb)
1RM253lb
2RM246lb
3RM239lb
4RM232lb
5RM(current)225lb
6RM218lb
7RM211lb
8RM204lb
9RM197lb
10RM190lb
20RM119lb

Squat Percentage Calculator

Based on 253lb estimated max

IntensityWeight (lb)
100%253lb
95%240lb
90%228lb
85%215lb
80%202lb
75%190lb
70%177lb
65%164lb
60%152lb
55%139lb
50%127lb
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