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Disclaimer

The calculators estimate. A one-rep max from a set of five is not a tested single. A DOTS score is not a ranking you earned in a meet. An FFMI is not a medical body-composition report. A heart-rate zone from 220 minus age is not your measured max.

Testing a true max can injure you. Use a spotter or safety arms, on equipment you know, with a load you have earned. If you have a health condition, talk to a qualified professional before a new training program. Stop if something hurts in a way that is not ordinary effort.

Nothing on this site is medical advice, physical-therapy advice, or coaching. We do not know your injury history. The one rep max calculator only knows the numbers you type.