Pressure
kPatomH₂O
Convert kilopascals (kPa) to metres of water column (mH₂O).
Factor1 kPa = 0.1019716 mH₂O
Converter
kPa
Accepts numbers or expressions, e.g. 150 + 14.7
Result
mH₂O
Rendered to 6 significant figures.
Formula
Formula
mH₂O = kPa × 0.1019716
Multiply any value in kilopascals by 0.1019716 to obtain the value in metres of water column.
Worked example
Convert 100 kPa to mH₂O.
- 01Start with 100 kPa.
- 02Multiply by the conversion factor: 100 × 0.1019716 = 10.1972 mH₂O.
Result100 kPa = 10.1972 mH₂O
Conversion table
| kPa | mH₂O |
|---|---|
| 1 | 0.10197 |
| 2 | 0.20394 |
| 5 | 0.50986 |
| 10 | 1.0197 |
| 20 | 2.0394 |
| 50 | 5.0986 |
| 100 | 10.197 |
| 200 | 20.394 |
| 500 | 50.986 |
| 1000 | 101.97 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from kPa to mH₂O?
1 kPa equals 0.1019716 mH₂O. To convert, multiply the value in kilopascals by 0.1019716.
How do I convert 1 kPa to mH₂O?
1 kPa = 0.101972 mH₂O. For any value, multiply by 0.1019716.
How do I convert mH₂O back to kPa?
Divide by the same factor — or equivalently, multiply by 9.80665. So 1 mH₂O = 9.80665 kPa.
When would I need to convert kilopascal to metre of water column?
Pressure conversions between kPa and mH₂O are common when working with mixed-vendor instrumentation, when piping codes use different units to process datasheets, or when converting field readings into SI for hydraulic calculations.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).