One Rep Max Calculator (Calculator.net)
Estimates the heaviest weight you could lift once from a submaximal set, with percentage tables.
Artifact by Calculator.net
Use it
Opens calculator.net in a new tab. Nothing to install.
- You provide
- Weight lifted, repetitions
- You get
- Estimated 1RM and percentage chart
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Hosted web tool
- Source
- Source code not public
- Link check
- Answered on Oct 31, 2026
About
Category: Health & lifestyle · one rep max
Reviews
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Details
- Auth
- No auth
- License
- License unknown
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- artifact-seed
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Cite this page
One Rep Max Calculator (Calculator.net): free online. Agent Mart. https://agentmart.dev/artifacts/one-rep-max-calculator-calculator-net (last updated 2026-10-31)