RPE CALCULATOR
Enter the final weight you lifted and your perceived exertion to estimate your reps weight.
Your Final Set
RPE
Min. Weight Increment (Non-compulsory)
Your Outcomes
0
Estimated weight for reps
at RPE
What Is the RPE Calculator and How Do You Use It?
Our RPE Calculator is an easy however highly effective device that helps lifters estimate their one-rep max (1RM), plan future coaching masses, and higher perceive how exhausting they’re working within the gymnasium. And it is all primarily based on the Charge of Perceived Exertion (RPE) scale.
The calculator makes use of the 1–10 RPE scale, together with .5 values, to replicate extra exact ranges of effort. This mirrors real-world lifting, the place a set would possibly really feel more durable than an RPE 7 however not fairly an RPE 8. The .5 increments assist fine-tune programming and provide you with extra correct suggestions.
We even have a extra strong information that solutions What’s RPE? It covers the 1-10 scale, what RIR means, and the distinction between this and the Borg scale.
How It Works
To make use of the calculator, enter:
- The burden you lifted
- The variety of reps carried out
- The RPE ranking for that set
Based mostly on that data, the calculator will estimate your theoretical 1-rep max: probably the most weight you might raise for a single rep at maximal effort (RPE 10). It’s going to additionally counsel doable working weights for various RPEs and rep ranges. This may also help information your subsequent coaching session or help with planning a power block.

Be aware that we even have a 1-rep max calculator. Each of those could be helpful instruments in your power coaching.
Troubleshooting
Why am I seeing an “invalid enter” or NaaN end result?
These often occur for those who’ve entered a quantity larger than 10 within the “reps” field. The RPE calculator works finest whenever you measure lifts from 1-10. Larger rep counts will result in much less correct information.
Why It Issues
The calculator is particularly useful if:
- You don’t need to max out however nonetheless need to estimate your power
- You’re utilizing RPE-based coaching and need to hit the fitting depth
- You’re monitoring progress over time primarily based on effort, not simply weight
Let’s say you probably did 225 kilos for five reps at RPE 8. The calculator can estimate your 1RM round 270 kilos. You may then use that quantity to plan future units, understanding that you simply’re staying inside the fitting depth in your objectives.
In the event you’re coaching with intent, not simply chasing numbers, the RPE calculator provides you a wiser approach to measure and handle your efficiency. Use it to remain on monitor, keep away from burnout, and get stronger over time by listening to your physique and utilizing the info it provides you.