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Inch of water to Bar

Convert Inch of water to Bar and get the exact value instantly.

About this conversion

To convert Inch of water to Bar, multiply the number of Inch of water by 0.002490889.

Pressure is reported in pascals, bars, PSI, atmospheres or millimeters of mercury depending on whether you are looking at tires, the weather, diving or medicine.

Conversion table

Inch of water (inH₂O)Bar (bar)
1 inH₂O0.002490889 bar
2 inH₂O0.004981778 bar
5 inH₂O0.012454445 bar
10 inH₂O0.02490889 bar
100 inH₂O0.2490889 bar

How to use this converter

  1. Enter your Inch of water value

    Type any number into the Inch of water field. It starts at 1 so you can read the rate straight away.

  2. Read the Bar result

    The amount in Bar updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Bar are in one Inch of water?
One Inch of water equals 0.002490889 bar. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Inch of water to Bar conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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