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Strength Tools

1RM math, standards, and 5/3/1 programming in one place.

Mode
Units:
1RM Calculator

Estimated 1RM (Standard)

265 lb

Formula1RM (lb)
Standard265
Epley255
Lombardi265
Moshid270

Rep Range Projection

Reps%1RMLoad (lb)
1100%265
295%250
393%245
490%235
587%230
685%225
783%220
880%210
977%200
1075%195
1172%190
1270%185