This one rep max reference table shows the estimated 1-rep max (epley) for a range of weight lifted values, assuming a repetitions completed of 5. Every figure is computed with the same engine that powers our One Rep Max Calculator, so the numbers are exact.
| Weight lifted | Estimated 1-rep max (Epley) | 1RM (Brzycki) | 90% of 1RM |
|---|---|---|---|
| 20 kg | 23.3 | 22.5 | 21.0 |
| 40 kg | 46.7 | 45.0 | 42.0 |
| 60 kg | 70.0 | 67.5 | 63.0 |
| 80 kg | 93.3 | 90.0 | 84.0 |
| 120 kg | 140.0 | 135.0 | 126.0 |
| 160 kg | 186.7 | 180.0 | 168.0 |
| 240 kg | 280.0 | 270.0 | 252.0 |
| 400 kg | 466.7 | 450.0 | 420.0 |
| 560 kg | 653.3 | 630.0 | 588.0 |
| 800 kg | 933.3 | 900.0 | 840.0 |
How to use this table
Find the row closest to your weight lifted and read across to the estimated 1-rep max (epley). For a value between two rows, the real figure sits between them — or enter your exact numbers in the One Rep Max Calculator for a precise answer.
Need a value that is not in the table? — the One Rep Max Calculator does it instantly, for free, with the formula and a worked example built in.
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