RPE/ e1rm Calculator
- mobile Javascript app to calculate your estimated 1 rep max (e1rm) based on weight lifted + the given RPE rating
- calculate the weight for a set at a given RPE based on your e1rm or 1rm for that lift
Here is a good article on the RPE autoregulation method https://articles.reactivetrainingsystems.com/2017/12/05/how-to-use-rpe-in-your-training-correctly/