5 reps → 1RM
246lb
average estimate
8 reps → 1RM
270lb
10 reps → 1RM
287lb
3 reps → 1RM
232lb
Show the math
Epley (5 reps) = 215 lb × (1 + 5 ÷ 30) = 251 lb
Brzycki (5 reps) = 215 lb × 36 ÷ (37 − 5) = 242 lb
If you lifted 215 lb for…
| Reps | Epley | Brzycki | Average 1RM |
|---|---|---|---|
| 1 rep | 215 | 215 | 215 |
| 2 reps | 229 | 221 | 225 |
| 3 reps | 237 | 228 | 232 |
| 4 reps | 244 | 235 | 239 |
| 5 reps | 251 | 242 | 246 |
| 6 reps | 258 | 250 | 254 |
| 7 reps | 265 | 258 | 262 |
| 8 reps | 272 | 267 | 270 |
| 9 reps | 280 | 276 | 278 |
| 10 reps | 287 | 287 | 287 |
| 11 reps | 294 | 298 | 296 |
| 12 reps | 301 | 310 | 305 |
If 215 lb is your one rep max
| % of 1RM | Load (lb) | About this many reps |
|---|---|---|
| 95% | 204 | 2 |
| 90% | 194 | 4 |
| 85% | 183 | 6 |
| 80% | 172 | 8 |
| 75% | 161 | 10 |
| 70% | 150 | 12 |
| 65% | 140 | 15 |
| 60% | 129 | 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 215 lb for 5 reps?
About 246 lb, averaging the Epley and Brzycki formulas.
What is my 1RM if I lift 215 lb for 10 reps?
About 287 lb. Estimates get less precise above 10 reps.