How to Use RPE (Rate of Perceived Exertion)

If you want to build real strength without burning out, getting injured, or constantly second-guessing your training, there is one simple principle that can completely change the way you train:

RPE – Rate of Perceived Exertion.

RPE is one of the most effective tools I use with my coaching clients to build strength, improve performance, and create long-term progress in the gym. Whether you’re a busy professional training 3x per week or an experienced athlete pushing for new numbers, understanding and applying RPE will give you a major advantage.

Let’s break it down.

RPE is a scale used to measure how hard a set feels, rather than prescribing a fixed weight on the bar.

In strength training, we typically use a 1–10 scale:

• RPE 10 – Maximum effort. You couldn’t complete another rep.
• RPE 9 – Very hard. You could maybe do 1 more rep.
• RPE 8 – Hard, but 2 reps left in the tank (RIR 2).
• RPE 7 – Moderate to hard, 3 reps left.
• RPE 6 or lower – Warm-up / technique / recovery work.

Instead of saying “lift 100kg today”, your plan might say:

5 reps @ RPE 8

This means you choose the weight that feels like you could only complete 2 more reps if you absolutely had to.

This auto-regulates your training based on:

• Sleep quality
• Stress levels
• Nutrition
• Recovery
• Hormonal fluctuations
• Mental state

And that is exactly why it works so well.

Prescribing exact weights might look structured, but it ignores reality.

You are not the same person every single day.

You might have slept badly. Had a stressful day at work. Missed meals. Or maybe you’re feeling stronger than ever. Training based on how you feel and perform that day is far more effective than chasing a number on a spreadsheet.

Using RPE allows my clients to:

• Train hard without overtraining
• Make consistent progress
• Avoid unnecessary injuries
• Build confidence under the bar
• Develop body awareness and control
• Stay consistent long-term

For busy people balancing work, family, and training — this is a game changer.

Traditional strength programmes often prescribe weights based on a percentage of a one-rep max, for example:

5 reps at 75% of 1RM

But what if:

• Your 1RM has increased?
• You’re fatigued from a bad night’s sleep?
• You’re stronger this week than last week?

That percentage may be too light, too heavy, or just wrong.

RPE adjusts to you in real-time.

That means better performance, better recovery, and better results.

While I rely heavily on RPE during building phases and development blocks, I do prescribe specific weights during:

• Competition preparation
• Peaking phases
• Performance testing
• Sport-specific protocols

Both systems have value the key is knowing when and how to apply them. This is where coaching and experience matter.

Start by asking yourself after every set:

“How many more reps could I have completed with perfect form?”

If the answer is:

• Zero: That was RPE 10
• One: That was RPE 9
• Two: That was RPE 8
• Three: That was RPE 7

Over time, your accuracy with RPE will improve and your training will become more intentional, controlled, and effective.

Building strength is not just about lifting heavier weights.
It’s about training with intelligence, awareness and consistency.

RPE teaches you to listen to your body instead of fighting it.
It helps you train with purpose instead of ego.

And that’s how real, long-term strength is built.

If you want a structured, personalised training plan using RPE with coaching, accountability, and expert guidance, JC Performance is here to support you.