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One Rep Max Calculator

Estimate one-repetition maximum from a weight lifted and completed repetitions.

Result

Frequently asked questions

Is this one rep max calculator free?

Yes. It is completely free, works in your browser and does not require an account.

Does it work on mobile?

Yes. EasyToolsCalc is responsive and works on phones, tablets and desktop computers.

Are my values saved?

No. The calculation runs locally in your browser. EasyToolsCalc does not save the numbers you enter.

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