One Rep Max Calculator
Use the One Rep Max Calculator to get a fast, readable one rep max result with inputs, a clear answer, and the formula shown below.
Result
Estimated one-rep max is 216 lb.
One-rep max
216 lb
Learn the calculation
How it works
This calculator uses a practical one rep max formula and shows the work in plain language so results are easy to review.
Example
Example one rep max calculation
Use the default values in the calculator form. Press Calculate to see the result summary, supporting values, and formula.
FAQs
What does the One Rep Max Calculator do?+
It turns your inputs into a clear one rep max result and includes the formula used for the calculation.
Can I use this result for planning?+
Yes, it is useful for quick planning and comparison. For financial, health, legal, or tax decisions, confirm important numbers with a qualified professional.
Last updated: 2026-05-24
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