1RM Calculator
Calculate your one-rep max for strength training programs.
Calculate 1RMNo more standing there doing mental math while people wait for the squat rack
Because standing there counting plates while someone waits isn't cool
Instant calculations mean more time lifting, less time thinking about math.
Bookmark on your phone. Use it right there at the squat rack.
Switch between metric and imperial instantly. Perfect for any gym.
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Complete your gym toolkit
Calculate your one-rep max for strength training programs.
Calculate 1RMCalculate percentages of your max for different training zones.
Calculate LoadCompare your strength across different body weights.
Calculate Wilks