Calculators


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One Rep Maximum Rep
Strength Calculator

One Rep Max, or 1RM is a number used to define how much weight you can lift for a single movement from start to finish. Most people never lift their one re max but knowing what is it is important in determining how much weight you should use on other exercises.

If you are like I was when I first started lifting, you followed ever bodybuilding  routine you  read about.  and most of those routine suggest weight in relation to your One Rep Max. If for not other reason than you enjoy training like the stars,  you need to know your One Rep Max.

The Calculator below helps you calculate your One Rep Max and even the  percentages of your One Rep Max. All you have to do in put in the weight that you lifted and the amount of reps that you did( assuming the reps were between 1-10 reps) and click on calculate and you have it!  your One Rep Max!

Weight Lifted

Reps Done (1-10)

One-rep max
50% 1 RM
55% 1 RM
60% 1 RM
65% 1 RM
70% 1 RM
75% 1 RM
80% 1 RM
85% 1 RM
90% 1 RM
95% 1 RM

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For the Lord God is a sun and a shield, the
Lord will give grace and glory. No good thing will
he withhold from them that walk uprightly

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