Enter the weight your client currently lifts and for how many reps — the calculator will tell them their estimated 1RM and the right weight to use for every rep range.
Compound Lifts
Accessory Exercises
Enter Current Lift
Estimated 1 Rep Max
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kg
Maximum single effort
6 Rep Max Target
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kg
86% of 1RM · Strength
8 Rep Max Target
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kg
81% of 1RM · Hypertrophy
Full Rep Range Guide
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Reps
Zone
% of 1RM
Weight (kg)
Weights are rounded to the nearest 2.5kg. All figures are estimates based on the Epley formula (1RM = weight × (1 + reps ÷ 30)) and are intended as starting-point guidelines. Adjust based on your client's form, fatigue, and individual response.