centimeter of water (4 °C) | 1 cmH2O | 2 cmH2O | 3 cmH2O | 4 cmH2O | 5 cmH2O | 6 cmH2O | 7 cmH2O | 8 cmH2O | 9 cmH2O | 10 cmH2O | 11 cmH2O | 12 cmH2O | 13 cmH2O | 14 cmH2O | 15 cmH2O | 16 cmH2O | 17 cmH2O | 18 cmH2O | 19 cmH2O | 20 cmH2O | 21 cmH2O | 22 cmH2O | 23 cmH2O | 24 cmH2O | 25 cmH2O | 26 cmH2O | 27 cmH2O | 28 cmH2O | 29 cmH2O | 30 cmH2O | 31 cmH2O | 32 cmH2O | 33 cmH2O | 34 cmH2O | 35 cmH2O | 36 cmH2O | 37 cmH2O | 38 cmH2O | 39 cmH2O | 40 cmH2O | 41 cmH2O | 42 cmH2O | 43 cmH2O | 44 cmH2O | 45 cmH2O | 46 cmH2O | 47 cmH2O | 48 cmH2O | 49 cmH2O | 50 cmH2O | 51 cmH2O | 52 cmH2O | 53 cmH2O | 54 cmH2O | 55 cmH2O | 56 cmH2O | 57 cmH2O | 58 cmH2O | 59 cmH2O | 60 cmH2O | 61 cmH2O | 62 cmH2O | 63 cmH2O | 64 cmH2O | 65 cmH2O | 66 cmH2O | 67 cmH2O | 68 cmH2O | 69 cmH2O | 70 cmH2O | 71 cmH2O | 72 cmH2O | 73 cmH2O | 74 cmH2O | 75 cmH2O | 76 cmH2O | 77 cmH2O | 78 cmH2O | 79 cmH2O | 80 cmH2O | 81 cmH2O | 82 cmH2O | 83 cmH2O | 84 cmH2O | 85 cmH2O | 86 cmH2O | 87 cmH2O | 88 cmH2O | 89 cmH2O | 90 cmH2O | 91 cmH2O | 92 cmH2O | 93 cmH2O | 94 cmH2O | 95 cmH2O | 96 cmH2O | 97 cmH2O | 98 cmH2O | 99 cmH2O | 100 cmH2O |
kilopascal | 0.0980638 kPa | 0.1961276 kPa | 0.2941914 kPa | 0.3922552 kPa | 0.490319 kPa | 0.5883828 kPa | 0.6864466 kPa | 0.7845104 kPa | 0.8825742 kPa | 0.980638 kPa | 1.0787018 kPa | 1.1767656 kPa | 1.2748294 kPa | 1.3728932 kPa | 1.470957 kPa | 1.5690208 kPa | 1.6670846 kPa | 1.7651484 kPa | 1.8632122 kPa | 1.961276 kPa | 2.0593398 kPa | 2.1574036 kPa | 2.2554674 kPa | 2.3535312 kPa | 2.451595 kPa | 2.5496588 kPa | 2.6477226 kPa | 2.7457864 kPa | 2.8438502 kPa | 2.941914 kPa | 3.0399778 kPa | 3.1380416 kPa | 3.2361054 kPa | 3.3341692 kPa | 3.432233 kPa | 3.5302968 kPa | 3.6283606 kPa | 3.7264244 kPa | 3.8244882 kPa | 3.922552 kPa | 4.0206158 kPa | 4.1186796 kPa | 4.2167434 kPa | 4.3148072 kPa | 4.412871 kPa | 4.5109348 kPa | 4.6089986 kPa | 4.7070624 kPa | 4.8051262 kPa | 4.90319 kPa | 5.0012538 kPa | 5.0993176 kPa | 5.1973814 kPa | 5.2954452 kPa | 5.393509 kPa | 5.4915728 kPa | 5.5896366 kPa | 5.6877004 kPa | 5.7857642 kPa | 5.883828 kPa | 5.9818918 kPa | 6.0799556 kPa | 6.1780194 kPa | 6.2760832 kPa | 6.374147 kPa | 6.4722108 kPa | 6.5702746 kPa | 6.6683384 kPa | 6.7664022 kPa | 6.864466 kPa | 6.9625298 kPa | 7.0605936 kPa | 7.1586574 kPa | 7.2567212 kPa | 7.354785 kPa | 7.4528488 kPa | 7.5509126 kPa | 7.6489764 kPa | 7.7470402 kPa | 7.845104 kPa | 7.9431678 kPa | 8.0412316 kPa | 8.1392954 kPa | 8.2373592 kPa | 8.335423 kPa | 8.4334868 kPa | 8.5315506 kPa | 8.6296144 kPa | 8.7276782 kPa | 8.825742 kPa | 8.9238058 kPa | 9.0218696 kPa | 9.1199334 kPa | 9.2179972 kPa | 9.316061 kPa | 9.4141248 kPa | 9.5121886 kPa | 9.6102524 kPa | 9.7083162 kPa | 9.80638 kPa |
A centimetre of water (US spelling centimeter of water, abbreviated cm H2O or cm H2O) is a less commonly used unit of pressure derived from pressure head calculations using metrology.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
centimeter of water (4 °C) | cmH2O | ≈ 999.972 kg/m3 × 1 cm × ɡ0 | ≈ 98.0638 Pa | Metric system SI |
centimeter of water (4 °C) | kilopascals | centimeter of water (4 °C) | kilopascals |
---|---|---|---|
1 | ≈ 0.0980638 | 6 | ≈ 0.5883828 |
2 | ≈ 0.1961276 | 7 | ≈ 0.6864466 |
3 | ≈ 0.2941914 | 8 | ≈ 0.7845104 |
4 | ≈ 0.3922552 | 9 | ≈ 0.8825742 |
5 | ≈ 0.490319 | 10 | ≈ 0.980638 |
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
kilopascal | kPa | = 10 × 102 pascals | = 1000 pascals | Metric system SI |
kilopascals | centimeter of water (4 °C) | kilopascals | centimeter of water (4 °C) |
---|---|---|---|
1 | ≈ 10.197442889221 | 6 | ≈ 61.184657335327 |
2 | ≈ 20.394885778442 | 7 | ≈ 71.382100224548 |
3 | ≈ 30.592328667663 | 8 | ≈ 81.579543113769 |
4 | ≈ 40.789771556884 | 9 | ≈ 91.77698600299 |
5 | ≈ 50.987214446105 | 10 | ≈ 101.97442889221 |
centimeter of water (4 °C) | kilopascals |
---|---|
1 | ≈ 0.0980638 |
10.1974429 | ≈ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |