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Centimeter of water to Inch of water
Convert Centimeter of water to Inch of water and get the exact value instantly.
1 cmH₂O = 0.3937008032 inH₂O
About this conversion
To convert Centimeter of water to Inch of water, multiply the number of Centimeter of water by 0.3937008032.
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) | Inch of water (inH₂O) |
|---|---|
| 1 cmH₂O | 0.3937008032 inH₂O |
| 2 cmH₂O | 0.7874016064 inH₂O |
| 5 cmH₂O | 1.968504016 inH₂O |
| 10 cmH₂O | 3.937008032 inH₂O |
| 100 cmH₂O | 39.37008032 inH₂O |
How to use this converter
- 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.
- Read the Inch of water result
The amount in Inch of water updates as you type, so there is no button to press and nothing to wait for.
- 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 Inch of water are in one Centimeter of water?
- One Centimeter of water equals 0.3937008032 inH₂O. 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 Inch of water 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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