One-rep max calculator
Tantiyahin ang iyong 1RM mula sa timbang na binuhat at mga repetisyon.
Tinatayang 1RM93.333333 kg
95%88.666667 kg
90%84 kg
85%79.333333 kg
80%74.666667 kg
75%70 kg
70%65.333333 kg
For general information only. Not medical advice — consult a professional.
How to use
Enter your values above and read the result instantly.
How it works
Everything is computed locally in your browser — nothing is uploaded.
Frequently asked questions
Is it free?
Yes, completely free with no limits.
Is my data private?
Yes, all processing happens in your browser.