Water - Boiling Points vs. Altitude
Elevation above sea level and the boiling point of water.
The boiling point of water decreases with altitude:
| Altitude - compared to Sea Level | Boiling Point | ||
|---|---|---|---|
| (ft) | (m) | (oF) | (oC) |
| -1000 | -305 | 213.9 | 101.1 |
| -750 | -229 | 213.5 | 100.8 |
| -500 | -152 | 213.0 | 100.5 |
| -250 | -76 | 212.5 | 100.3 |
| 0 | 0 | 212.0 | 100.0 |
| 250 | 76 | 211.5 | 99.7 |
| 500 | 152 | 211.0 | 99.5 |
| 750 | 229 | 210.5 | 99.2 |
| 1000 | 305 | 210.1 | 98.9 |
| 1250 | 381 | 209.6 | 98.6 |
| 1500 | 457 | 209.1 | 98.4 |
| 1750 | 533 | 208.6 | 98.1 |
| 2000 | 610 | 208.1 | 97.8 |
| 2250 | 686 | 207.6 | 97.6 |
| 2500 | 762 | 207.2 | 97.3 |
| 2750 | 838 | 206.7 | 97.1 |
| 3000 | 914 | 206.2 | 96.8 |
| 3250 | 991 | 205.7 | 96.5 |
| 3500 | 1067 | 205.3 | 96.3 |
| 3750 | 1143 | 204.8 | 96.0 |
| 4000 | 1219 | 204.3 | 95.7 |
| 4250 | 1295 | 203.8 | 95.5 |
| 4500 | 1372 | 203.4 | 95.2 |
| 4750 | 1448 | 202.9 | 94.9 |
| 5000 | 1524 | 202.4 | 94.7 |
| 5250 | 1600 | 202.0 | 94.4 |
| 5500 | 1676 | 201.5 | 94.2 |
| 5750 | 1753 | 201.0 | 93.9 |
| 6000 | 1829 | 200.6 | 93.6 |
| 6250 | 1905 | 200.1 | 93.4 |
| 6500 | 1981 | 199.6 | 93.1 |
| 6750 | 2057 | 199.2 | 92.9 |
| 7000 | 2134 | 198.7 | 92.6 |
| 7250 | 2210 | 198.2 | 92.4 |
| 7500 | 2286 | 197.8 | 92.1 |
| 7750 | 2362 | 197.3 | 91.8 |
| 8000 | 2438 | 196.9 | 91.6 |
| 8250 | 2515 | 196.4 | 91.3 |
| 8500 | 2591 | 196.0 | 91.1 |
| 8750 | 2667 | 195.5 | 90.8 |
| 9000 | 2743 | 195.0 | 90.6 |
| 9250 | 2819 | 194.6 | 90.3 |
| 9500 | 2896 | 194.1 | 90.1 |
| 9750 | 2972 | 193.7 | 89.8 |
| 10000 | 3048 | 193.2 | 89.6 |
| 10250 | 3124 | 192.8 | 89.3 |
| 10500 | 3200 | 192.3 | 89.1 |
| 10750 | 3277 | 191.9 | 88.8 |
| 11000 | 3353 | 191.4 | 88.6 |
| 11250 | 3429 | 191.0 | 88.3 |
| 11500 | 3505 | 190.5 | 88.1 |
| 11750 | 3581 | 190.1 | 87.8 |
| 12000 | 3658 | 189.7 | 87.6 |
| 12250 | 3734 | 189.2 | 87.3 |
| 12500 | 3810 | 188.8 | 87.1 |
| 12750 | 3886 | 188.3 | 86.8 |
| 13000 | 3962 | 187.9 | 86.6 |
| 13250 | 4037 | 187.4 | 86.4 |
| 13500 | 4115 | 187.0 | 86.1 |
| 13750 | 4191 | 186.6 | 85.9 |
| 14000 | 4267 | 186.1 | 85.6 |
| 14250 | 4343 | 185.7 | 85.4 |
| 14500 | 4420 | 185.3 | 85.1 |
| 14750 | 4496 | 184.8 | 84.9 |
| 15000 | 4572 | 184.4 | 84.7 |
| 15250 | 4648 | 184.0 | 84.4 |
| 15500 | 4724 | 183.5 | 84.2 |
| 15750 | 4801 | 183.1 | 83.9 |
| 16000 | 4877 | 182.7 | 83.7 |
| 16250 | 4953 | 182.2 | 83.5 |
| 16500 | 5029 | 181.8 | 83.2 |
| 16750 | 5105 | 181.4 | 83.0 |
| 17000 | 5182 | 180.9 | 82.7 |
| 17250 | 5258 | 180.5 | 82.5 |
| 17500 | 5334 | 180.1 | 82.3 |
| 17750 | 5410 | 179.7 | 82.0 |
| 18000 | 5486 | 179.2 | 81.8 |
| 18250 | 5563 | 178.8 | 81.6 |
| 18500 | 5639 | 178.4 | 81.3 |
| 18750 | 5715 | 178.0 | 81.1 |
| 19000 | 5791 | 177.6 | 80.9 |
| 19250 | 5867 | 177.1 | 80.6 |
| 19500 | 5944 | 176.7 | 80.4 |
| 19750 | 6020 | 176.3 | 80.2 |
| 20000 | 6096 | 175.9 | 79.9 |
| 20250 | 6172 | 175.5 | 79.7 |
| 20500 | 6248 | 175.1 | 79.5 |
| 20750 | 6325 | 174.7 | 79.3 |
| 21000 | 6401 | 174.2 | 79.0 |
| 21250 | 6477 | 173.8 | 78.8 |
| 21500 | 6553 | 173.4 | 78.6 |
| 21750 | 6629 | 173.0 | 78.3 |
| 22000 | 6706 | 172.6 | 78.1 |
| 22250 | 6782 | 172.2 | 77.9 |
| 22500 | 6858 | 171.8 | 77.7 |
| 22750 | 6934 | 171.4 | 77.4 |
| 23000 | 7010 | 171.0 | 77.2 |
| 23250 | 7087 | 170.6 | 77.0 |
| 23500 | 7163 | 170.2 | 76.8 |
| 23750 | 7239 | 169.8 | 76.5 |
| 24000 | 7315 | 169.4 | 76.3 |
| 24250 | 7391 | 169.0 | 76.1 |
| 24500 | 7468 | 168.6 | 75.9 |
| 24750 | 7544 | 168.2 | 75.6 |
| 25000 | 7620 | 167.8 | 75.4 |
| 25250 | 7696 | 167.4 | 75.2 |
| 25500 | 7772 | 167.0 | 75.0 |
| 25750 | 7849 | 166.6 | 74.8 |
| 26000 | 7925 | 166.2 | 74.5 |
| 26250 | 8001 | 165.8 | 74.3 |
| 26500 | 8077 | 165.4 | 74.1 |
| 26750 | 8153 | 165.0 | 73.9 |
| 27000 | 8230 | 164.6 | 73.7 |
| 27250 | 8306 | 164.2 | 73.5 |
| 27500 | 8382 | 163.8 | 73.2 |
| 27750 | 8458 | 163.4 | 73.0 |
| 28000 | 8534 | 163.1 | 72.8 |
| 28250 | 8611 | 162.7 | 72.6 |
| 28500 | 8687 | 162.3 | 72.4 |
| 28750 | 8763 | 161.9 | 72.2 |
| 29000 | 8839 | 161.5 | 72.0 |
| 29250 | 8916 | 161.1 | 71.7 |
| 29500 | 8992 | 160.7 | 71.5 |
| 29750 | 9068 | 160.4 | 71.3 |
| 30000 | 9144 | 160.0 | 71.1 |
Example - Boiling Point of Water at the top of Mount Everest
The height of Mount Everest in Nepal is 8848 m.
According the table above the boiling point of water is aprox. 72 oC (161.5 oF).
