1RM Calculator - One Rep Max
David Bai
Calculate 1RM from weight and reps
Calculate 1-rep max based on entered weight and reps. Estimate strength and compare rep schemes. Input workout details to determine maximum lift capacity.
Calculate 1RM and track progress
Calculate 1 Rep Max using popular formulas by selecting a lift type, entering weight, and repetitions. Log results to track progress over time. Premium version allows custom lifts and more than 10 repetitions.
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David Bai
Calculate 1RM from weight and reps
Calculate 1-rep max based on entered weight and reps. Estimate strength and compare rep schemes. Input workout details to determine maximum lift capacity.
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Convert weight to plates and vice versa
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