one rep max calculator

exrx.net is a resource for the exercise professional, coach, or fitness enthusiast. it offers evidence based exercise prescription tools and resources including reference articles, comprehensive exercise libraries, and fitness calculators. exrx.net is a recommended resource in acsm's resource manual for guidelines for exercise testing and prescription (5th 6th, and 7th editions). exrx.net has also been an nsca authorized ceu provider since 2008.