5 reps → 1RM
269lb
average estimate
8 reps → 1RM
295lb
10 reps → 1RM
313lb
3 reps → 1RM
254lb
Show the math
Epley (5 reps) = 235 lb × (1 + 5 ÷ 30) = 274 lb
Brzycki (5 reps) = 235 lb × 36 ÷ (37 − 5) = 264 lb
If you lifted 235 lb for…
| Reps | Epley | Brzycki | Average 1RM |
|---|---|---|---|
| 1 rep | 235 | 235 | 235 |
| 2 reps | 251 | 242 | 246 |
| 3 reps | 258 | 249 | 254 |
| 4 reps | 266 | 256 | 261 |
| 5 reps | 274 | 264 | 269 |
| 6 reps | 282 | 273 | 277 |
| 7 reps | 290 | 282 | 286 |
| 8 reps | 298 | 292 | 295 |
| 9 reps | 306 | 302 | 304 |
| 10 reps | 313 | 313 | 313 |
| 11 reps | 321 | 325 | 323 |
| 12 reps | 329 | 338 | 334 |
If 235 lb is your one rep max
| % of 1RM | Load (lb) | About this many reps |
|---|---|---|
| 95% | 223 | 2 |
| 90% | 212 | 4 |
| 85% | 200 | 6 |
| 80% | 188 | 8 |
| 75% | 176 | 10 |
| 70% | 164 | 12 |
| 65% | 153 | 15 |
| 60% | 141 | 20 |
How to use it
- Enter your numbers. Switch between US and metric units at any time.
- Results update as you type, and the formula is shown so you can check it.
- Copy the link, save the plan on this device, or print it for your next appointment.
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These are estimates, not a diagnosis. A clinician can account for your health history and medicines.
Other weights
Common questions
What is my 1RM if I lift 235 lb for 5 reps?
About 269 lb, averaging the Epley and Brzycki formulas.
What is my 1RM if I lift 235 lb for 10 reps?
About 313 lb. Estimates get less precise above 10 reps.