mmH2O (4°C) to Kilopascal Converter

Pressure Converter

29 units available

Decimals:

From

To

0.009807

1 mmH2O = 0.009807 kPa

Formula:

kPa = mmH2O × 0.00980665

With your value: 1 mmH2O = 0.00980665 kPa

Other mmH2O (4°C) to Kilopascal conversions

2 mmH2O to kPa 3 mmH2O to kPa 4 mmH2O to kPa 5 mmH2O to kPa 6 mmH2O to kPa 7 mmH2O to kPa 8 mmH2O to kPa

mmH2O (4°C) to Kilopascal Conversion Table

mmH2O (4°C) (mmH2O)	Kilopascal (kPa)
0.5	0.004903
1	0.009807
2	0.019613
5	0.049033
10	0.098066
15	0.1471
20	0.196133
25	0.245166
50	0.490333
100	0.980665
250	2.451663
500	4.903325
1000	9.80665

Kilopascal to mmH2O (4°C) Conversion Table

Kilopascal (kPa)	mmH2O (4°C) (mmH2O)
0.5	50.985811
1	101.971621
2	203.943243
5	509.858106
10	1,019.716213
15	1,529.574319
20	2,039.432426
25	2,549.290532
50	5,098.581065
100	10,197.16213
250	25,492.905324
500	50,985.810649
1000	101,971.621298

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

mmH2O (4°C) (mmH2O)

Pressure

Exact conversion

Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Kilopascal (kPa)

Pressure

Exact conversion

Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert mmH2O (4°C) to Kilopascal

To convert from mmH2O (4°C) (mmH2O) to Kilopascal (kPa), multiply the value by 0.00980665.

Formula: kPa = mmH2O × 0.00980665

Reverse: mmH2O = kPa × 101.9716212978

Step-by-Step Example

Start with your value in mmH2O (4°C). For example: 5 mmH2O
Multiply by the conversion factor: 5 x 0.00980665
The result is: 0.049033 kPa

About mmH2O (4°C)

The mmh2o (4°c) (mmH2O) is a unit of pressure and stress. One mmh2o (4°c) equals 9.80665 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: pressure calculations, engineering and science, education.

About Kilopascal

The kilopascal (kPa) is a unit of pressure and stress. One kilopascal equals 1000 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: pressure calculations, engineering and science, education.

Frequently Asked Questions

How many Kilopascal are in 1 mmH2O (4°C)?

There are exactly 0.00980665 Kilopascal in 1 mmH2O (4°C). This means the conversion factor from mmH2O (4°C) to Kilopascal is 0.00980665.

What is the formula to convert mmH2O (4°C) to Kilopascal?

The formula to convert mmH2O (4°C) to Kilopascal is: kPa = mmH2O × 0.00980665. For example, to convert 10 mmH2O (4°C) to Kilopascal, you would multiply 10 by 0.00980665.

What is a mmH2O (4°C)?