1RM Estimator
Don't have a one rep max? No problem! Use this tool to estimate your 1RM based on any successful lift you've completed. Simply enter your reps, weight, and RPE to get an accurate estimate of your maximum strength potential.
How It Works
Enter your lift details
Get instant 1RM estimate
Use for program planning
Calculate Your 1RM
Enter the details of a successful lift to estimate your maximum
Enter Your Lift Details
Fill out the details of a successful lift to estimate your 1RM
Your Estimated 1RM
175kg
Maximum strength potential
Based on 5 reps at RPE 5
Why Use 1RM Estimates?
For Program Planning
- Calculate training percentages accurately
- Set appropriate weight progressions
- Track strength improvements over time
Related Tools
- 1RM Breakdown - Get all your training percentages
- RPE Breakdown - Understand RPE scale better
- Use estimates for safer training progression