mmH2O (4°C) to cmH2O (4°C) Converter

Pressure Converter

29 units available

Decimals:

From

To

0.1

1 mmH2O = 0.1 cmH2O

Formula:

cmH2O = mmH2O × 0.1

With your value: 1 mmH2O = 0.1 cmH2O

Other mmH2O (4°C) to cmH2O (4°C) conversions

2 mmH2O to cmH2O 3 mmH2O to cmH2O 4 mmH2O to cmH2O 5 mmH2O to cmH2O 6 mmH2O to cmH2O 7 mmH2O to cmH2O 8 mmH2O to cmH2O

mmH2O (4°C) to cmH2O (4°C) Conversion Table

mmH2O (4°C) (mmH2O)	cmH2O (4°C) (cmH2O)
0.5	0.05
1	0.1
2	0.2
5	0.5
10	1
15	1.5
20	2
25	2.5
50	5
100	10
250	25
500	50
1000	100

cmH2O (4°C) to mmH2O (4°C) Conversion Table

cmH2O (4°C) (cmH2O)	mmH2O (4°C) (mmH2O)
0.5	5
1	10
2	20
5	50
10	100
15	150
20	200
25	250
50	500
100	1,000
250	2,500
500	5,000
1000	10,000

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

cmH2O (4°C) (cmH2O)

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 cmH2O (4°C)

To convert from mmH2O (4°C) (mmH2O) to cmH2O (4°C) (cmH2O), multiply the value by 0.1.

Formula: cmH2O = mmH2O × 0.1

Reverse: mmH2O = cmH2O × 10

Step-by-Step Example

Start with your value in mmH2O (4°C). For example: 5 mmH2O
Multiply by the conversion factor: 5 x 0.1
The result is: 0.5 cmH2O

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 cmH2O (4°C)

The cmh2o (4°c) (cmH2O) is a unit of pressure and stress. One cmh2o (4°c) equals 98.0665 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 cmH2O (4°C) are in 1 mmH2O (4°C)?

There are exactly 0.1 cmH2O (4°C) in 1 mmH2O (4°C). This means the conversion factor from mmH2O (4°C) to cmH2O (4°C) is 0.1.

What is the formula to convert mmH2O (4°C) to cmH2O (4°C)?

The formula to convert mmH2O (4°C) to cmH2O (4°C) is: cmH2O = mmH2O × 0.1. For example, to convert 10 mmH2O (4°C) to cmH2O (4°C), you would multiply 10 by 0.1.

What is a mmH2O (4°C)?