Centimeters of Water (cmH₂O)	Kilopascals (kPa)
1 cmH₂O	0.09807 kPa
2 cmH₂O	0.1961 kPa
5 cmH₂O	0.4903 kPa
10 cmH₂O	0.9807 kPa
25 cmH₂O	2.4517 kPa
50 cmH₂O	4.9033 kPa
100 cmH₂O	9.8066 kPa
250 cmH₂O	24.5166 kPa
500 cmH₂O	49.0333 kPa
1000 cmH₂O	98.0665 kPa

Convert Centimeters of Water to Kilopascals

Convert centimeters of water to kilopascals (cmH₂O to kPa) with our instant calculator. 1 cmH₂O = 0.098067 kPa. Includes exact formula and reference tables.

How to Convert Centimeters of Water to Kilopascals (cmH₂O to kPa)

1 Centimeter of Water (cmH₂O) is equal to 0.098067 Kilopascals (kPa). Multiply the centimeter of water value by 0.0980665

Quick Answer 1 cmH₂O = 0.098067 kPa

Formula kPa = cmH₂O × 0.0980665

Inverse Factor 1 kPa = 10.197162 cmH₂O

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 Centimeters of Water (cmH₂O): Centimeter of Water (cmH₂O) is a unit in the Pressure measurement category. It is widely used in cpap & medical respiratory pressure. Relative to the pressure base unit, 1 cmH₂O equals 98.0665 Pascals (Pa).

About Kilopascals (kPa): Kilopascal (kPa) is a unit in the Pressure measurement category. It is a standard everyday unit of pressure measurement. Relative to the pressure base unit, 1 kPa equals 1000 Pascals (Pa).

Need to convert in the opposite direction? Visit our Convert Kilopascals to Centimeters of Water (kPa to cmH₂O) calculator (1 kPa = 10.197162 cmH₂O).

Step-by-Step Worked Examples (cmH₂O to kPa)

Convert 5 Centimeters of Water to Kilopascals: Applying the formula (kPa = cmH₂O × 0.0980665): starting with 5 cmH₂O, multiply the centimeter of water value by 0.0980665 to get 0.4903 kPa.
Convert 10 Centimeters of Water to Kilopascals: Applying the formula (kPa = cmH₂O × 0.0980665): starting with 10 cmH₂O, multiply the centimeter of water value by 0.0980665 to get 0.9807 kPa.
Convert 50 Centimeters of Water to Kilopascals: Applying the formula (kPa = cmH₂O × 0.0980665): starting with 50 cmH₂O, multiply the centimeter of water value by 0.0980665 to get 4.9033 kPa.

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 centimeters of water to kilopascals.

How many kilopascals are in 1 centimeter of water?

There are 0.098067 kilopascals (kPa) in 1 centimeter of water (cmH₂O). Conversely, 1 kilopascal equals 10.197162 centimeters of water.

How do you convert centimeters of water to kilopascals?

To convert centimeters of water (cmH₂O) to kilopascals (kPa), use the formula: kPa = cmH₂O × 0.0980665. Multiply the centimeter of water value by 0.0980665. For example, 10 cmH₂O equals 0.9807 kPa.

How do I convert back from kilopascals to centimeters of water?

To convert in the reverse direction from kilopascals (kPa) to centimeters of water (cmH₂O), use the inverse formula: cmH₂O = kPa × 10.19716213. Multiply the kilopascal value by 10.19716213 (1 kPa = 10.197162 cmH₂O).

What is the difference between centimeter of water (cmH₂O) and kilopascal (kPa)?

Both centimeter of water and kilopascal measure pressure. Centimeter of Water (cmH₂O) is a unit in the Pressure measurement category. It is widely used in cpap & medical respiratory pressure. Relative to the pressure base unit, 1 cmH₂O equals 98.0665 Pascals (Pa). Kilopascal (kPa) is a unit in the Pressure measurement category. It is a standard everyday unit of pressure measurement. Relative to the pressure base unit, 1 kPa equals 1000 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.