Estimate your one-rep max from a lift you can do for several reps.
One Rep Max is the maximum weight you can lift for a single repetition with proper form. It is a standard benchmark for measuring strength progress in exercises like bench press, squat, and deadlift.
Attempting an actual 1RM is risky — especially without a spotter. A lift you can do for several reps lets you estimate your 1RM without testing it. Estimates are usually closer for lower reps (about 10 or fewer) and get less reliable as reps go up. They are estimates, and lifting still carries risk, so use good form and a spotter.
Epley: weight × (1 + reps/30) · Brzycki: weight × 36/(37−reps) · Lander: weight × 100/(101.3 − 2.67×reps). This calculator shows the average of the three. The formulas differ, and none is exact for every person or lift.
Calculatr