CurieFit

1RM Calculator

Estimate your one-rep max (the maximum weight you can lift for one repetition) and get training percentages for your workouts.

Enter Lift Details

For best accuracy, use a weight you can lift for 3-10 reps. Results become less accurate above 10 reps.

Enter your lift details to estimate your 1RM

How to Use Your 1RM Result

Training Weights

Use the percentages to pick weights for endurance, hypertrophy, and strength days.

Train Safely

Warm up well and use proper form. Estimated 1RM is safer than max testing.

FAQ

Common Questions

Answers about one-rep max and safe training.

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