Tools
RPE Calculator — Actually Useful
Stop guessing what 75% of your max feels like. Enter your last set, get your e1RM, plan your backoffs. Science-backed, ego-neutral.
Your Estimated 1RM
— kg
Raw: — kg
Rounded to nearest 2.5
Your Last Set
What did you just do?
Backoff Sets
The sets that actually build strength
Enter your last set to unlock backoff calculations.
RPE Chart
RTS/Tuchscherer % of 1RM — enter a set to see weights
| Reps | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 86.3% | 87.8% | 89.2% | 90.7% | 92.2% | 93.9% | 95.5% | 97.8% | 100% |
| 2 | 85% | 86.3% | 87.8% | 89.2% | 90.7% | 92.2% | 93.9% | 95.5% | 97.8% |
| 3 | 83.7% | 85% | 86.3% | 87.8% | 89.2% | 90.7% | 92.2% | 93.9% | 95.5% |
| 4 | 82.4% | 83.7% | 85% | 86.3% | 87.8% | 89.2% | 90.7% | 92.2% | 93.9% |
| 5 | 81.1% | 82.4% | 83.7% | 85% | 86.3% | 87.8% | 89.2% | 90.7% | 92.2% |
| 6 | 79.9% | 81.1% | 82.4% | 83.7% | 85% | 86.3% | 87.8% | 89.2% | 90.7% |
| 7 | 78.6% | 79.9% | 81.1% | 82.4% | 83.7% | 85% | 86.3% | 87.8% | 89.2% |
| 8 | 77.4% | 78.6% | 79.9% | 81.1% | 82.4% | 83.7% | 85% | 86.3% | 87.8% |
| 9 | 76.2% | 77.4% | 78.6% | 79.9% | 81.1% | 82.4% | 83.7% | 85% | 86.3% |
| 10 | 75.1% | 76.2% | 77.4% | 78.6% | 79.9% | 81.1% | 82.4% | 83.7% | 85% |
| 11 | 73.9% | 75.1% | 76.2% | 77.4% | 78.6% | 79.9% | 81.1% | 82.4% | 83.7% |
| 12 | 72.3% | 73.9% | 75.1% | 76.2% | 77.4% | 78.6% | 79.9% | 81.1% | 82.4% |
Highlighted cell = your selected reps × RPE. Enter a set above to replace percentages with actual weights.