Inch of water to Pascal Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert inches of water [inH₂O] to pascals [Pa] or pascals [Pa] to inches of water [inH₂O]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert inches of water to pascals
There are two simple ways to convert inches of water [inH₂O] to pascals [Pa]. In the first calculation method, the value in inches of water [inH₂O] is divided by the rounded conversion factor of 0.004. The second method multiplies the value in inches of water [inH₂O] by 248.84.
- Pascals [Pa] ≈ inches of water [inH₂O] ÷ 0.004
- Pascals [Pa] = inches of water [inH₂O] * 248.84
The calculation method with a rounded conversion value is more suitable for rough conversions from inches of water [inH₂O] to pascals [Pa], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.
Convert pascals to inches of water
Converting pascals [Pa] to inches of water [inH₂O] is easy and can be done in two ways. The first method involves multiplication, in which the value in pascals [Pa] is multiplied by the rounded conversion factor of 0.004. The second variant is a division. Here, the value in pascals [Pa] is divided by 248.84.
- Inches of water [inH₂O] ≈ pascals [Pa] * 0.004
- Inches of water [inH₂O] = pascals [Pa] ÷ 248.84
The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from pascals [Pa] to inches of water [inH₂O] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.
Converter
Decimal places
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To all available units
Inches of water
Psi
Inches of water
Standard atmospheres
Kilobar
Decapascals
Kilobar
Gigapascals
Kilobar
Hectopascals
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