Ever finish a workout and think, “That was hard… I think?” Or maybe you crushed it but your coach is giving you side-eye because you clearly had more in the tank? That’s where Rate of Perceived Exertion (RPE) comes in – a simple but powerful tool to help you dial in your training intensity without needing a heart rate monitor or fancy wearable tech.
What is RPE?
RPE stands for Rate of Perceived Exertion, a subjective scale that helps you rate how hard you’re working during exercise. It ranges from 1 to 10, with 1 being “I could do this all day” and 10 being “I might black out.” It’s based on your perception, not a machine’s readout. That means it accounts for things like stress, sleep, hydration, and recovery – aka real life.
Here’s a quick breakdown of the RPE scale:
- 1–2: Easy peasy. You’re moving, but barely. Think: walking to the fridge.
- 3–4: Light effort. You could sing a song or recite your grocery list.
- 5–6: Moderate. Breathing picks up, but you’re still in control.
- 7–8: Challenging. You can talk, but you’re choosing not to. You’re definitely feeling the grind. (Where we want our members to be!)
- 9: Very hard. You’re questioning your life choices.
- 10: Max effort. You’ve got nothing left in the tank.
Why It Matters
Using RPE gives you flexibility. You can adjust your workouts based on how your body feels that day. A set of squats at RPE 8 might be 100 lbs one day and 85 lbs another. That doesn’t mean you’re backsliding – it means you’re training smart.
It also helps with:
- Preventing burnout and injury
- Tuning into your body’s signals
- Pacing for endurance workouts
- Pushing hard – when it makes sense
How to Use It in Your Training
If you’re following a strength program, your coach might say “3 sets of 5 reps at RPE 7.” That means after each set, you should feel like you had about 3 reps left in the tank. RPE isn’t about sandbagging – it’s about intentional effort.
For cardio? Same idea. An easy run might be RPE 3-4. Interval sprints might hit RPE 8-9. Use the scale to guide your intensity, not just go full throttle every time.
Pro Tip: It Gets More Accurate with Practice
At first, RPE can feel fuzzy. That’s normal. But the more you practice tuning in to your effort level, the more dialed-in you get – and the better your training becomes.
Bottom line: RPE is one of the most underrated tools in the gym. Learn to use it, and you’ll not only train smarter – you’ll get stronger, faster, and stay in the game longer.
Want help building a program that fits your energy and your goals? For Original Strength Institute members, book your I AM ABLE check via the Mindbody app or ask a coach for assistance. New to OSI, we’d love to have you check out our two week trial.
