One Rep Max for 115 kg × 3 reps
One Rep Max Calculator
What is the one rep max for 115 kg × 3 reps?
Answer
Lifting 115 kg for 3 reps gives an estimated one rep max of
126.5 kg
A set of 3 reps at 115 kg is
90.9%
of your estimated one rep max
Note: this is an estimate, not a tested max. Rep-based formulas are closest at 2–6 reps and drift further apart as the set gets longer. Warm up and use a spotter before attempting a true single.
How to Calculate One Rep Max
Epley Formula: 1RM = weight × (1 + reps ÷ 30)
The Epley formula assumes that every extra repetition you can complete corresponds to roughly 3.33% more weight on the bar. Put your set into it:
115 × (1 + 3 ÷ 30)
=115 × 1.1
=126.5 kg
Training Weights as a % of 1RM
Percentages of your estimated max of 126.5 kg, the way most strength programmes prescribe load:
| % of 1RM | Working Weight |
|---|---|
| 95% | 120.2 kg |
| 90% | 113.9 kg |
| 85% | 107.5 kg |
| 80% | 101.2 kg |
| 75% | 94.9 kg |
| 70% | 88.6 kg |
| 65% | 82.2 kg |
| 60% | 75.9 kg |
Other One Rep Max Formulas
Published 1RM formulas disagree, and the gap widens with the rep count. This page answers with Epley; here is what the others give for 115 kg × 3 reps:
| Formula | Estimated 1RM |
|---|---|
| Epley | 126.5 kg |
| Brzycki | 121.8 kg |
| Lombardi | 128.4 kg |
| O'Conner | 123.6 kg |
| Wathan | 126 kg |
| Lander | 123.3 kg |
| Mayhew | 131.1 kg |
Related Calculations
See Also
- BMI Meaning - Check what given BMI means
- BMI Calculator (Imperial) - Body Mass Index Calculator (ft/in/lbs)
- 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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One Rep Max Table for 115 kg
One Rep Max Calculator
This calculator estimates your one-rep max (1RM) — the heaviest weight you could lift for a single repetition — from a set you have already completed. For example, it can help you find out what is the one rep max for 115 kg × 3 reps? (The answer is: 126.5 kg). Enter the weight you lifted (e.g. 115), pick pounds or kilograms, and enter how many reps you managed (e.g. 3).