Inches of Water to Kilopascals
Type a value — result updates instantly.
inH2O
kpa
Quick reference
| Inches of Water (inH2O) | Kilopascals (kpa) |
|---|
Formula
Kilopascals = inches of water × 0.249089
Multiply the inches of water value by 0.249089 to get kilopascals. To reverse — divide kilopascals by 0.249089 to get inches of water.
About this conversion
Inches of water column (inH₂O) is used in HVAC and low-pressure measurement, equal to approximately 249 pascals. Learn more →
The kilopascal (kPa) equals 1,000 pascals, used in tire pressure, weather, and engineering. Learn more →
Source: NIST International Reference