Air pressure by altitude (U.S. Standard Atmosphere)
Pressure falls from 101.3 kPa at sea level to 1.2 kPa at 30,000 m. By 6,000 m more than half of the atmosphere is already below you.
What does this axis measure?
Pressure (kPa)
What does this axis measure?
Altitude (m)
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- Pressure (kPa)
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- Altitude (m)
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The data: 31 points
| Altitude (m) | Pressure (kPa) |
|---|---|
| 0 | 101.33 |
| 1,000 | 89.88 |
| 2,000 | 79.5 |
| 3,000 | 70.12 |
| 4,000 | 61.66 |
| 5,000 | 54.05 |
| 6,000 | 47.22 |
| 7,000 | 41.11 |
| 8,000 | 35.65 |
| 9,000 | 30.8 |
| 10,000 | 26.5 |
| 11,000 | 22.7 |
| 12,000 | 19.4 |
| 13,000 | 16.58 |
| 14,000 | 14.17 |
| 15,000 | 12.11 |
| 16,000 | 10.35 |
| 17,000 | 8.85 |
| 18,000 | 7.57 |
| 19,000 | 6.47 |
| 20,000 | 5.53 |
| 21,000 | 4.73 |
| 22,000 | 4.05 |
| 23,000 | 3.47 |
| 24,000 | 2.97 |
| 25,000 | 2.55 |
| 26,000 | 2.19 |
| 27,000 | 1.88 |
| 28,000 | 1.62 |
| 29,000 | 1.39 |
| 30,000 | 1.2 |
- Ran in puzzle #3 on September 29, 2026. Play it