حاسبة الحد الأقصى لتكرار واحد (1RM).

Best with sets of 3–8 reps taken close to failure. Everything is calculated in your browser; nothing you type is uploaded.

Averages Epley, Brzycki, Lombardi, O’Conner, Mayhew, Wathan and Lander. Reps per percentage use the Brzycki relation.

100 kg for 5 reps estimates a 115.5 kg 1RM (Epley 116.7, Brzycki 112.5); 80 % is 92.5 kg.