1-RM Calculator

Calculator - 1-RM
Estimated reps at percent of 1-repetition maximum. [Weight × ( 1 + ( 0.033 × Number of repetitions )] Baechle & Earle (2000)

Reps123456789101215
% of 1 RM1009593908785838077756765
lbs
(1 kg = 2.2 lbs)
reps
(Please enter a value between 2- 10)
lbs
lbs
Est. reps: 2
lbs
Est. reps: 4
lbs
Est. reps: 6
lbs
Est. reps: 8
lbs
Est. reps: 10
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lbs
Est. reps: 12
lbs
Est. reps: 15
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