Lombardi Formula 1RM Calculator
The Lombardi formula uses a power model — simple and fast to compute, suitable as a quick estimate.
w × r^0.1 — The Lombardi formula uses a power model — simple and fast to compute, suitable as a quick estimate.
5 reps
One Rep Max
5 reps @ 225lb
264
lb
Lombardi formula
Big Four Strength Levels
Strength levels for a 200lb male, age 30 lifting 264lb in each lift type · enter your details.
Rep Max Projections
Lombardi algorithm
| Reps | Weight (lb) |
|---|---|
| 1RM | 264lb |
| 2RM | 246lb |
| 3RM | 237lb |
| 4RM | 230lb |
| 5RM(current) | 225lb |
| 6RM | 221lb |
| 7RM | 217lb |
| 8RM | 214lb |
| 9RM | 212lb |
| 10RM | 210lb |
| 20RM | 196lb |
Percentage Calculator
Based on 264lb estimated max
| Intensity | Weight (lb) |
|---|---|
| 100% | 264lb |
| 95% | 251lb |
| 90% | 238lb |
| 85% | 224lb |
| 80% | 211lb |
| 75% | 198lb |
| 70% | 185lb |
| 65% | 172lb |
| 60% | 158lb |
| 55% | 145lb |
| 50% | 132lb |




