Contact Us

Question about the calculator, a formula, or found something that looks off? Send us a message below.

Before You Write In

A few things are already covered on the site:

  • Wondering how RPE relates to your 1RM, or what each RPE number means? See the RPE Calculator page — the scale and percentage chart are explained in full below the tool.
  • Want a version to use without your phone at the gym? Check the RPE Calculator Download page.
  • Looking for training tips and programming articles? Visit the Blog.

Response Time

We aim to reply within a few business days. This is an independently run project, so please bear with us if it takes a little longer during busy periods.