# Inches of water to millimeters of water (inH2O to mmH2O)

pressure conversions » inch of water conversions » inH2O to mmH2O## Inches of water to millimeters of water conversion table (chart)

The conversion table to the right is a default, short version of the inches of water to millimeters of water conversion table. You also have an option to create the inches of water to millimeters of water conversion table for the specific values you need. You can choose the initial value (in inches of water), the increment and the number of rows you want to show up in the conversion table.To create your customized inches of water to millimeters of water conversion table, click on the 'create conversion table' button.

inch of water (inH2O) | millimeter of water (mmH2O) |

10 | 253.9999469733 |

20 | 507.99989394659 |

30 | 761.99984091989 |

40 | 1015.9997878932 |

50 | 1269.9997348665 |

60 | 1523.9996818398 |

70 | 1777.9996288131 |

80 | 2031.9995757864 |

## Conversion Formula

By using the online converter calculator on this page, you can calculate how many millimeters of water are in 'X' inches of water (X is the number of inches of water you want to convert to millimeters of water). In order to convert a value from inches of water to millimeters of water (from inH2O to mmH2O) simply type the number of inches of water to be converted to millimeters of water and then click on the 'convert' button. The formula used for converting a specific value from inches of water to millimeters of water is:

X inches of water * cf = Y millimeters of water

where

X = the specific value to be converted (in inches of water)

cf = the conversion factor from inches of water to millimeters of water

Y = the result (in millimeters of water)

*Example*

Let's suppose that you have a value of pressure of 46 inches of water and want to express it in millimeters of water.

46 inH2O = (46 × 25.39999469733) mmH2O

46 inH2O = 1168.3997560772 mmH2O

## Conversion factor

1 inch of water is equal to 25.39999469733 millimeter of water

(1 inH2O = 25.39999469733 mmH2O )

## Related topics

- To convert from inches of water to any other pressure/stress unit, go to convert from inches of water
- To convert from a unit of pressure other than inch of water, go to all pressure conversions
- If you want to do the reverse unit conversion from
**millimeters of water to inches of water**, go to convert millimeters of water to inches of water