Email: contact@one-rep-maxcalculator.online

Reporting an error

Please include the page address, the numbers you entered, the result you got and the result you expected. That lets us check the maths quickly. Confirmed calculator fixes are listed in the change log on how our calculators work.

Suggesting a tool

Want a calculator we do not have yet? Tell us what you would use it for and which lifts it should cover.

Personal training advice

We cannot give personal medical or coaching advice. If you have pain or an injury, please see a doctor or physiotherapist. For a program built around you, work with a qualified coach.