Estimate your one-rep max.
This uses the Epley formula and then maps common training percentages from the estimate.
Strength Training
1RM Calculator
Use this 1RM calculator to estimate your one-rep max and quickly see working weights for common training percentages.
These estimates are for educational purposes only and are not medical advice.
Related tools
Keep going with the next useful calculator.
These related tools cover the same planning workflow from calories and macros through prep timing.
Want to track your calories, weight, and progress? Use Logbook.
If you want a cleaner place to track the daily side of your plan, Logbook is built to keep that process simple.