The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI). It is defined as exactly equal to 100,000 Pa, which is slightly less than the current average atmospheric pressure on Earth at sea level.
| barye | Inch of mercury | kilopascal | exapascal | foot of water (39.2 °F) | attopascal | short ton per (square foot) | zettapascal |
|---|---|---|---|---|---|---|---|
| 1 | 2.9529980164712 × 10-5 | 0.0001 | 1.0 × 10-19 | 3.3456229215318 × 10-5 | 1.0 × 1017 | 1.0442717116575 × 10-6 | 1.0 × 10-22 |
| 33,863.89 | 1 | 3.386389 | 3.386389 × 10-15 | 1.1329581 | 3.386389 × 1021 | 0.0353631 | 3.386389 × 10-18 |
| 10 000 | 0.2952998 | 1 | 1.0 × 10-15 | 0.3345623 | 1.0 × 1021 | 0.0104427 | 1.0 × 10-18 |
| 1.0 × 1019 | 2.9529980164712 × 1014 | 1.0 × 1015 | 1 | 3.3456229215318 × 1014 | 1.0 × 1036 | 10 442 717 116 575 | 0.001 |
| 29,889.8 | 0.8826452 | 2.98898 | 2.98898 × 10-15 | 1 | 2.98898 × 1021 | 0.0312131 | 2.98898 × 10-18 |
| 1.0 × 10-17 | 2.9529980164712 × 10-22 | 1.0 × 10-21 | 1.0 × 10-36 | 3.3456229215318 × 10-22 | 1 | 1.0442717116575 × 10-23 | 1.0 × 10-39 |
| 957,605.1796067 | 28.2780620 | 95.7605180 | 9.5760517960672 × 10-14 | 32.0378584 | 9.5760517960672 × 1022 | 1 | 9.5760517960672 × 10-17 |
| 1.0 × 1022 | 2.9529980164712 × 1017 | 1.0 × 1018 | 1 000 | 3.3456229215318 × 1017 | 1.0 × 1039 | 1.0442717116575 × 1016 | 1 |
| 1 bars = 100000 pascals |
| 2 bars = 200000 pascals |
| 3 bars = 300000 pascals |
| 4 bars = 400000 pascals |
| 5 bars = 500000 pascals |