RPE Lab

Optimize your strength training with RPE Lab. Turn 1RM into RPE charts, know exactly what to load each session, track your big three lifts over time with clear graphs.

RPE Lab is a simple, fast 1RM and RPE calculator built for strength training.

Use it to: • Estimate your 1RM from weight and reps • Choose your preferred formula • Plan training loads using RPE-based targets • Save time between sets with quick, on-the-fly calculations • Register your own personal record on the three main lifts • Watch charts of your personal records

Designed to be lightweight and distraction-free: • Works offline • No accounts, no ads • No analytics and no tracking

Disclaimer: RPE Lab is for informational purposes only. Always train within your limits and use proper technique.