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OneRepMax is a free website of calculators and articles. By using it you agree that the results are estimates for your own training math, not advice tailored to you. Read the disclaimer.

You may link to any page. You may quote a short passage with a link back. You may not copy the site, present the calculators as your product, or scrape it in a way that degrades the service. The formulas themselves are published methods. The pages, the wording, and the design are ours.

The site is provided as is, without a warranty that a result is correct for your bar, your plates, or your body. We can change or remove a page without notice. To the extent the law allows, we are not liable for training decisions you make from a number on the screen.

These terms are governed by ordinary contract principles where you live, except where a local consumer rule says otherwise. Contact support@onerepmax.io.