One Rep Max (1RM)
Estimate your one-rep maximum for any lift based on the weight and reps you can perform.
How to Use the One Rep Max (1RM)
- 1
Enter the weight lifted
Input the weight you used for your set.
- 2
Enter reps performed
Input how many reps you completed with good form.
- 3
View estimated 1RM
See your estimated one-rep max and percentage chart.
💡 Tips & Tricks
- •Use a 3–5 rep set for the most accurate 1RM estimate.
- •Re-test your estimated 1RM every 4–8 weeks to track strength gains.
- •Always use a spotter or safety pins when lifting near your maximum.
Frequently Asked Questions
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