Bar to Inches of Water

Type a value — result updates instantly.

bar
inH2O
1 bar = — inH2O

Quick reference

Bar (bar)Inches of Water (inH2O)

Formula

Inches of Water = bar × 401.46293

Multiply the bar value by 401.4629309202735 to get inches of water. To reverse — divide inches of water by 401.4629309202735 to get bar.

About this conversion

The bar is a metric unit of pressure equal to 100,000 pascals, approximately equal to atmospheric pressure at sea level. Learn more →

Inches of water column (inH₂O) is used in HVAC and low-pressure measurement, equal to approximately 249 pascals. Learn more →

Source: NIST International Reference