This is SpotterBro's demo trainer — want this with your brand? Get SpotterBro →
← All tools

🏋️ One-rep max calculator

Your estimated 1RM from any set — plus the percentages to train with.

Numbers are the easy part.

Turning them into a plan you stick to — that's where Maya comes in. Take the 60-second quiz and get a personal recommendation.

Find my training plan