Inch of Water to Millimeter of Water

1 inH₂O=25.4 mmH₂O

Conversion Formula

The formula to convert Inch of Water to Millimeter of Water is as follows:

Millimeter of Water = Inch of Water × 25.4

Apply to your calculation:

1 inH₂O × 25.4 = 25.4 mmH₂O

About this conversion

1 Inch of Water (inH₂O) equals 25.4 mmH₂O, and 1 Millimeter of Water (mmH₂O) equals 0.0393700787 inH₂O.

Popular Conversion Values (Conversion Table)

Inch of WaterMillimeter of Water
0.01 inH₂O0.254 mmH₂O
0.1 inH₂O2.54 mmH₂O
1 inH₂O25.4 mmH₂O
2 inH₂O50.8 mmH₂O
3 inH₂O76.2 mmH₂O
4 inH₂O101.6 mmH₂O
5 inH₂O127 mmH₂O
6 inH₂O152.4 mmH₂O
7 inH₂O177.8 mmH₂O
8 inH₂O203.2 mmH₂O
9 inH₂O228.6 mmH₂O
10 inH₂O254 mmH₂O
20 inH₂O508 mmH₂O
30 inH₂O762 mmH₂O
40 inH₂O1,016 mmH₂O
50 inH₂O1,270 mmH₂O
60 inH₂O1,524 mmH₂O
70 inH₂O1,778 mmH₂O
80 inH₂O2,032 mmH₂O
90 inH₂O2,286 mmH₂O
100 inH₂O2,540 mmH₂O
200 inH₂O5,080 mmH₂O
300 inH₂O7,620 mmH₂O
500 inH₂O12,700 mmH₂O
1,000 inH₂O25,400 mmH₂O
10,000 inH₂O254,000 mmH₂O

Unit Comparison

1 inH₂O (Inch of Water) =
Pascal249.08891 Pa
Hectopascal2.4908891 hPa
Kilopascal0.24908891 kPa
Megapascal0.00024908891 MPa
Gigapascal0.00000024908891 GPa
Bar0.0024908891 bar
Millibar2.4908891 mbar
Pound per Square Inch0.036127292 psi
Kilopound per Square Inch0.000036127292 ksi
Pound per Square Foot5.20233005 psf
Kilogram-force per Square Centimeter0.00254 kgf/cm²
Atmosphere0.00245831641 atm
Torr1.86832047 Torr
Millimeter of Mercury1.8683202 mmHg
Inch of Mercury0.0735559057 inHg
Millimeter of Water25.4 mmH₂O
Inch of Water1 inH₂O
1 mmH₂O (Millimeter of Water) =
Pascal9.80665 Pa
Hectopascal0.0980665 hPa
Kilopascal0.00980665 kPa
Megapascal0.00000980665 MPa
Gigapascal0.00000000980665 GPa
Bar0.0000980665 bar
Millibar0.0980665 mbar
Pound per Square Inch0.00142233433 psi
Kilopound per Square Inch0.00000142233433 ksi
Pound per Square Foot0.204816144 psf
Kilogram-force per Square Centimeter0.0001 kgf/cm²
Atmosphere0.0000967841105 atm
Torr0.073555924 Torr
Millimeter of Mercury0.0735559135 mmHg
Inch of Mercury0.0028959018 inHg
Millimeter of Water1 mmH₂O
Inch of Water0.0393700787 inH₂O

Related Conversions

Inch of Water → Pascal (inH₂O → Pa)Inch of Water → Hectopascal (inH₂O → hPa)Inch of Water → Kilopascal (inH₂O → kPa)Inch of Water → Megapascal (inH₂O → MPa)Inch of Water → Gigapascal (inH₂O → GPa)Inch of Water → Bar (inH₂O → bar)Inch of Water → Millibar (inH₂O → mbar)Inch of Water → Pound per Square Inch (inH₂O → psi)Inch of Water → Kilopound per Square Inch (inH₂O → ksi)Inch of Water → Pound per Square Foot (inH₂O → psf)Inch of Water → Kilogram-force per Square Centimeter (inH₂O → kgf/cm²)Inch of Water → Atmosphere (inH₂O → atm)Inch of Water → Torr (inH₂O → Torr)Inch of Water → Millimeter of Mercury (inH₂O → mmHg)Inch of Water → Inch of Mercury (inH₂O → inHg)
Pascal → Millimeter of Water (Pa → mmH₂O)Hectopascal → Millimeter of Water (hPa → mmH₂O)Kilopascal → Millimeter of Water (kPa → mmH₂O)Megapascal → Millimeter of Water (MPa → mmH₂O)Gigapascal → Millimeter of Water (GPa → mmH₂O)Bar → Millimeter of Water (bar → mmH₂O)Millibar → Millimeter of Water (mbar → mmH₂O)Pound per Square Inch → Millimeter of Water (psi → mmH₂O)Kilopound per Square Inch → Millimeter of Water (ksi → mmH₂O)Pound per Square Foot → Millimeter of Water (psf → mmH₂O)Kilogram-force per Square Centimeter → Millimeter of Water (kgf/cm² → mmH₂O)Atmosphere → Millimeter of Water (atm → mmH₂O)Torr → Millimeter of Water (Torr → mmH₂O)Millimeter of Mercury → Millimeter of Water (mmHg → mmH₂O)Inch of Mercury → Millimeter of Water (inHg → mmH₂O)