Start tall with feet shoulder-width apart, arms relaxed at your sides, and eyes forward. Quickly dip into a quarter squat, then drive up as fast as possible, swinging arms up to maximize height. Land softly with both feet at the same time and reset for the next attempt.
Your vertical jump is measured in inches. A preliminary score is generated with the linear equation y = mx + b, where x is your jump height (inches), b is 0, and m is set so the max estimated jump for your age range and gender maps to 100 points. The minimum is 0 inches. Example: For a male ages 20–29, the estimated max is 34 inches, so m = 100 / 34 = 2.94.
| Vertical Jump (in) | Preliminary Score (y) |
|---|---|
| 0 | 0.0 |
| 10 | 29.4 |
| 20 | 58.8 |
| 30 | 88.2 |
| 34 | 100.0 |
The final score uses a curved calculation that heavily favors new athletes and makes reaching 100 extremely challenging even for exceptional performers. The curve is designed to provide significant scoring boosts at lower performance levels, encouraging participation and improvement. However, achieving the maximum score of 100 requires near-perfect performance across multiple attempts. The formula applies a power curve: Final Score = 100 × (Preliminary Score / 100)^0.45
| Preliminary Score | Final Score |
|---|---|
| 0 | 0.0 |
| 20 | 48.5 |
| 40 | 66.2 |
| 60 | 79.5 |
| 80 | 90.4 |
| 90 | 95.4 |
| 95 | 97.7 |
| 98 | 99.1 |
| 100 | 100.0 |