iBodyFit.com One Rep Max Calculator

1 Rep Max

Your One Rep Maximum is the amount of weight that you can lift just one time. Use this calculator without actually attempting it and potentially injuring yourself. Want an iBodyFit.com Trainer to help you get stronger?

Weight Lifted:	in Pounds
Number of Reps:

Most people should train at 65% to 85% of their 1 REP MAX. 8 to 12 REPS AT 70% to 80% is standard. 65% or less is a good place to start for beginners.

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"I had given up on losing weight. I had just accepted I was overweight...it was in my genes. I had always worked out and especially did cardio with no weightlifting. I thought if I didn't eat as much or eat just 2 meals I would lose weight, but I ended up steadily gaining until one day I got on the scale at the gym and saw a number I did not believe..."

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