5 reps → 1RM
201lb
average estimate
8 reps → 1RM
219lb
10 reps → 1RM
233lb
3 reps → 1RM
189lb
Show the math
Epley (5 reps) = 175 lb × (1 + 5 ÷ 30) = 204 lb
Brzycki (5 reps) = 175 lb × 36 ÷ (37 − 5) = 197 lb
If you lifted 175 lb for…
| Reps | Epley | Brzycki | Average 1RM |
|---|---|---|---|
| 1 rep | 175 | 175 | 175 |
| 2 reps | 187 | 180 | 183 |
| 3 reps | 193 | 185 | 189 |
| 4 reps | 198 | 191 | 195 |
| 5 reps | 204 | 197 | 201 |
| 6 reps | 210 | 203 | 207 |
| 7 reps | 216 | 210 | 213 |
| 8 reps | 222 | 217 | 219 |
| 9 reps | 228 | 225 | 226 |
| 10 reps | 233 | 233 | 233 |
| 11 reps | 239 | 242 | 241 |
| 12 reps | 245 | 252 | 248 |
If 175 lb is your one rep max
| % of 1RM | Load (lb) | About this many reps |
|---|---|---|
| 95% | 166 | 2 |
| 90% | 158 | 4 |
| 85% | 149 | 6 |
| 80% | 140 | 8 |
| 75% | 131 | 10 |
| 70% | 122 | 12 |
| 65% | 114 | 15 |
| 60% | 105 | 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 175 lb for 5 reps?
About 201 lb, averaging the Epley and Brzycki formulas.
What is my 1RM if I lift 175 lb for 10 reps?
About 233 lb. Estimates get less precise above 10 reps.