Pascals (Pa)	Inches of Water (inH₂O)
1 Pa	0.004015 inH₂O
2 Pa	0.008029 inH₂O
5 Pa	0.02007 inH₂O
10 Pa	0.04015 inH₂O
25 Pa	0.1004 inH₂O
50 Pa	0.2007 inH₂O
100 Pa	0.4015 inH₂O
250 Pa	1.0037 inH₂O
500 Pa	2.0073 inH₂O
1000 Pa	4.0146 inH₂O

Convert Pascals to Inches of Water

Convert pascals to inches of water (Pa to inH₂O) with our instant calculator. 1 Pa = 0.004015 inH₂O. Includes exact formula and reference tables.

How to Convert Pascals to Inches of Water (Pa to inH₂O)

1 Pascal (Pa) is equal to 0.004015 Inches of Water (inH₂O). Multiply the pascal value by 0.00401463076

Quick Answer 1 Pa = 0.004015 inH₂O

Formula inH₂O = Pa × 0.00401463076

Inverse Factor 1 inH₂O = 249.08891 Pa

Unit Definitions & Metrology Context

The SI unit of pressure is the pascal (Pa). Standard sea-level atmosphere is defined as 101,325 Pa (1.01325 bar or ~14.696 psi).

About Pascals (Pa): Pascal (Pa) is a unit in the Pressure measurement category. It is widely used in base si unit (n/m²). The pascal (Pa) serves as the primary reference base unit for the pressure domain.

About Inches of Water (inH₂O): Inch of Water (inH₂O) is a unit in the Pressure measurement category. It is widely used in hvac duct & fan static pressure. Relative to the pressure base unit, 1 inH₂O equals 249.08891 Pascals (Pa).

Need to convert in the opposite direction? Visit our Convert Inches of Water to Pascals (inH₂O to Pa) calculator (1 inH₂O = 249.08891 Pa).

Step-by-Step Worked Examples (Pa to inH₂O)

Convert 5 Pascals to Inches of Water: Applying the formula (inH₂O = Pa × 0.00401463076): starting with 5 Pa, multiply the pascal value by 0.00401463076 to get 0.0201 inH₂O.
Convert 10 Pascals to Inches of Water: Applying the formula (inH₂O = Pa × 0.00401463076): starting with 10 Pa, multiply the pascal value by 0.00401463076 to get 0.0401 inH₂O.
Convert 50 Pascals to Inches of Water: Applying the formula (inH₂O = Pa × 0.00401463076): starting with 50 Pa, multiply the pascal value by 0.00401463076 to get 0.2007 inH₂O.

Popular Pressure Conversions

Pound per Square Inch ⇄ Bar

Multiply PSI by ~0.0689476 to convert to bar.

Bar ⇄ Pound per Square Inch

Multiply bar by ~14.5038 to find pressure in pounds per square inch (PSI).

Kilopascal ⇄ Pound per Square Inch

1 PSI equals approximately 6.89476 kilopascals (kPa).

Standard Atmosphere ⇄ Pound per Square Inch

1 standard atmosphere equals approximately 14.6959 PSI.

Frequently Asked Questions

Verified answers and formulas for converting pascals to inches of water.

How many inches of water are in 1 pascal?

There are 0.004015 inches of water (inH₂O) in 1 pascal (Pa). Conversely, 1 inch of water equals 249.08891 pascals.

How do you convert pascals to inches of water?

To convert pascals (Pa) to inches of water (inH₂O), use the formula: inH₂O = Pa × 0.00401463076. Multiply the pascal value by 0.00401463076. For example, 10 Pa equals 0.0401 inH₂O.

How do I convert back from inches of water to pascals?

To convert in the reverse direction from inches of water (inH₂O) to pascals (Pa), use the inverse formula: Pa = inH₂O × 249.08891. Multiply the inch of water value by 249.08891 (1 inH₂O = 249.08891 Pa).

What is the difference between pascal (Pa) and inch of water (inH₂O)?

Both pascal and inch of water measure pressure. Pascal (Pa) is a unit in the Pressure measurement category. It is widely used in base si unit (n/m²). The pascal (Pa) serves as the primary reference base unit for the pressure domain. Inch of Water (inH₂O) is a unit in the Pressure measurement category. It is widely used in hvac duct & fan static pressure. Relative to the pressure base unit, 1 inH₂O equals 249.08891 Pascals (Pa).

How many PSI is in 1 bar?

1 bar equals approximately 14.5038 PSI. For car tires, 2.2 bar is roughly 32 PSI.