One Rep Max for 20 lbs × 12 reps
One Rep Max Calculator
What is the one rep max for 20 lbs × 12 reps?
Answer
Lifting 20 lbs for 12 reps gives an estimated one rep max of
28 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
At 12 reps the formulas drift apart — the others give 25.6–28.9 lbs: treat 28 lbs as a rough guide.
20 × (1 + 12 ÷ 30) = 28 lbs
| % of 1RM | Working Weight |
|---|---|
| 95% | 26.6 lbs |
| 90% | 25.2 lbs |
| 85% | 23.8 lbs |
| 80% | 22.4 lbs |
| 75% | 21 lbs |
| 71.4% | 20 lbs — this set |
| 70% | 19.6 lbs |
| 65% | 18.2 lbs |
| 60% | 16.8 lbs |
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- BMI Calculator (Metric) - Body Mass Index Calculator (kg/cm)
- Ideal Weight Calculator (Imperial) - Find out the Ideal Weight for a given Height in feet/inches
- Ideal Weight Calculator (Metric) - Find out the Ideal Weight for a given Height in centimeters
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