Estimate one-rep max from 5 rep max

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The 5 Rep Max Calculator is a standout tool in the Weight Lift Calculator suite, especially useful for lifters focused on strength-endurance balance. By entering the weight you can lift for five repetitions, this calculator estimates what your one-rep max would be, or helps determine safe and challenging loads for training.
<a href="http://weightliftcalculator.com">5 rep max calculator</a>

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Estimate one-rep max from 5 rep max

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Join the 4+ million users, and keep the JSFiddle dream alive.

Ad-free

Use pre-released features

Fiddle collections

Private collections and fiddles

Console