## ››Convert pound/square inch to millimeter water [4 °C]

 pound/square inch millimeter water

The above form works if you are measuring differential pressure, such as the difference in psi between two points. It also gives the correct answer for absolute pressure, assuming you are measuring psia, which is the pressure relative to absolute zero vacuum.

If you are measuring relative to vacuum and want to resolve the pressure relative to the atmosphere, then you should use the form below.

pound/square inch (relative to atmosphere)
millimeter water (relative to vacuum)

 Did you mean to convert pound/square inch pound/square inch [gauge] pound/square inch [absolute] to millimeter water

How many pound/square inch in 1 millimeter water? The answer is 0.0014223343334285.
We assume you are converting between pound/square inch and millimeter water [4 °C].
You can view more details on each measurement unit:
pound/square inch or millimeter water
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00014503773800722 pound/square inch, or 0.10197162129779 millimeter water.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between pounds/square inch and millimeters water.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of pound/square inch to millimeter water

1 pound/square inch to millimeter water = 703.06958 millimeter water

2 pound/square inch to millimeter water = 1406.13916 millimeter water

3 pound/square inch to millimeter water = 2109.20873 millimeter water

4 pound/square inch to millimeter water = 2812.27831 millimeter water

5 pound/square inch to millimeter water = 3515.34789 millimeter water

6 pound/square inch to millimeter water = 4218.41747 millimeter water

7 pound/square inch to millimeter water = 4921.48705 millimeter water

8 pound/square inch to millimeter water = 5624.55663 millimeter water

9 pound/square inch to millimeter water = 6327.6262 millimeter water

10 pound/square inch to millimeter water = 7030.69578 millimeter water

## ››Want other units?

You can do the reverse unit conversion from millimeter water to pound/square inch, or enter any two units below:

## Enter two units to convert

 From: To:

## ››Definition: Pound/square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

## ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!