Skip to content
Free 1RM calculator
Enter the weight you lifted and the number of repetitions. The calculator estimates your one-repetition maximum and helps you choose training weights.
DOMAFACTORY
1-10 ismétléses becslés1RM Kalkulátor
Add meg az edzésen használt súlyt és a vele végzett maximális ismétlésszámot. A kalkulátor gyakorlatonként megbecsüli az egy ismétléses maximumodat.
What does 1RM mean?
Your 1RM is the heaviest weight you can lift for one repetition of an exercise with good form. The calculated value is an estimate; it does not replace a measured performance. The calculator’s explanations describe the formulas used and their limitations.
DOMAFACTORY · Domonkos Papp · Updated: 3 October 2026
← Back to free tools