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Free Tool
1RM Calculator
Estimate your one-rep max based on your working sets using multiple proven formulas.
Most accurate for 1-10 reps. Less accurate above 10.
Enter your lift details
Your estimated 1RM will appear here
Free Tool
Estimate your one-rep max based on your working sets using multiple proven formulas.
Most accurate for 1-10 reps. Less accurate above 10.
Enter your lift details
Your estimated 1RM will appear here