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Centimeter of water to Hectopascal

Convert Centimeter of water to Hectopascal and get the exact value instantly.

About this conversion

To convert Centimeter of water to Hectopascal, multiply the number of Centimeter of water by 0.980665.

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

Centimeter of water (cmH₂O)Hectopascal (hPa)
1 cmH₂O0.980665 hPa
2 cmH₂O1.96133 hPa
5 cmH₂O4.903325 hPa
10 cmH₂O9.80665 hPa
100 cmH₂O98.0665 hPa

How to use this converter

  1. Enter your Centimeter of water value

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

  2. Read the Hectopascal result

    The amount in Hectopascal 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 Hectopascal are in one Centimeter of water?
One Centimeter of water equals 0.980665 hPa. 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 Centimeter of water to Hectopascal 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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