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ONE REP MAX CALCULATOR

1 Rep Max Calculator
100
5
Your One Rep Max
100% 1RM =Lbs
95% 1RM = Lbs
90% 1RM = Lbs
85% 1RM = Lbs
80% 1RM = Lbs
75% 1RM = Lbs
70% 1RM = Lbs
65% 1RM = Lbs
60% 1RM = Lbs
55% 1RM = Lbs
50% 1RM = Lbs

How to Find Your One Rep Max

Note: You must warm up well and stop immediately if you sense oncoming injury. Perform the following procedure at your own risk.

  • 15 reps with light weight
  • 10 reps with moderate weight
  • 5 reps with heavier weight
  • 5 reps with even heavier weight
  • Load up the heaviest weight you believe you’ll be able do about 5 reps of, without injuring yourself, while maintaining good form. Lift it, achieving however many reps you can – safely, with good form.
  • Use the sliders above to enter the numbers you achieve.