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One Rep Max Calculator

Estimate your one-rep max from weight and repetitions, compare formulas, and build a percentage-based training table.

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Estimated 1RM

92.4 kg

Epley
93.3

Brzycki
90.0

Lombardi
94.0

Training load table

IntensitySuggested load
100%92.5 kg
95%88.0 kg
90%83.0 kg
85%78.5 kg
80%74.0 kg
75%69.5 kg
70%64.5 kg
65%60.0 kg
60%55.5 kg
55%51.0 kg
50%46.0 kg

How to use it

Enter the dedicated fields for this tool to get a result with a short interpretation.

Usage notes

  • Fill in the required inputs.
  • Review the number and the short explanation together.
  • Add notes when you want the result to keep context.

Frequently asked questions

Is this beginner-friendly?expand_more

Yes. The inputs use plain labels and the result includes a short explanation.

Are values saved?expand_more

No. The calculation runs in your browser and values are not stored on the server.

Health use notice

This tool is for general reference only and does not replace medical, nutrition, diagnostic, or treatment advice. For health decisions, confirm the result with a clinician, registered specialist, or official guidance.

Result workspace

Save this result, compare previous runs, or share a report.

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