One Rep Max for 280 lbs × 9 reps
One Rep Max Calculator
What is the one rep max for 280 lbs × 9 reps?
Answer
Lifting 280 lbs for 9 reps gives an estimated one rep max of
364 lbs
Epley formula · an estimate from a set taken close to failure; accuracy depends on the exercise and the person and drops as reps grow
280 × (1 + 9 ÷ 30) = 364 lbs
comparison of methods: six other published formulas give 343–369 lbs
| % of 1RM | Working Weight |
|---|---|
| 95% | 345.8 lbs |
| 90% | 327.6 lbs |
| 85% | 309.4 lbs |
| 80% | 291.2 lbs |
| 76.9% | 280 lbs — this set |
| 75% | 273 lbs |
| 70% | 254.8 lbs |
| 65% | 236.6 lbs |
| 60% | 218.4 lbs |
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- Ideal Weight Calculator (Metric) - Find out the Ideal Weight for a given Height in centimeters
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