Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sports
One Rep Max Calculator
Find your theoretical one-rep maximum from a submaximal lift using four established strength formulas. Use the result to set training percentages for powerlifting, strength, or hypertrophy programs.
Fill in the required fields to see your result.
Sports
One Rep Max Calculator
Estimate the maximum weight you can lift for a single rep from a sub-maximal set. Use it to set training zones, track strength progress, or compare lifts across exercises.
Fill in the required fields to see your result.
Key differences
| One Rep Max Calculator | One Rep Max Calculator | |
|---|---|---|
| Category | Sports | Sports |
| Inputs required | 4 | 3 |
| Result | Training Weight (lbs) | Estimated 1RM (lbs) |
| What it does | Find your theoretical one-rep maximum from a submaximal lift using four established strength formulas. Use the result to set training percentages for powerlifting, strength, or hypertrophy programs. | Estimate the maximum weight you can lift for a single rep from a sub-maximal set. Use it to set training zones, track strength progress, or compare lifts across exercises. |