One Rep Max
One Rep Max calculates your estimated maximum lift for strength training, using rep and weight data to program progressive overload accurately.
Maximum Weight (1RM) Calculator
Estimated 1RM: 116.67
What is the One Rep Max (1RM) One Rep Max?
One Rep Max calculates your estimated maximum lift for strength training, using rep and weight data to program progressive overload accurately.
Why use our tool?
- Instant Results: Powered by modern web technologies, results appear exactly as you type.
- 100% Free: No hidden fees, no subscriptions, and no registration required to use the One Rep Max (1RM) One Rep Max.
- Mobile Friendly: Works perfectly and beautifully on your smartphone, tablet, or desktop.
- Privacy First: All calculations are performed directly in your browser. No personal data is sent to our servers.