# Free Online Convert Between Millimetre of Mercury (mmHg) & Centimeters of Water (cmH2O)

## Convert from cmH2O to mmHg

Convert between Millimetre of Mercury (mmHg) and Centimeters of Water (cmH2O) instantly with our free online unit calculator. You can easily convert both mmHg to cmH2O and cmH2O to mmHg with just a few clicks. To switch between the two conversions, simply use the swap icon (rotating arrows). If you need to start over, you can reset the values by clicking the reset button.

mmHg
cmH2O

Result: Millimetre of Mercury = Centimeters of Water

i.e. mmHg = cmH2O

Article Contents []

### What does Millimetre of Mercury mean?

Millimeters of mercury (mmHg) is a unit of pressure measurement that is commonly used in medicine and meteorology. It is also known as millimetres of water column, which is abbreviated as mmWC.

The mmHg unit is defined as the amount of pressure exerted by a column of mercury that is 1 millimeter high and has a density of 13.5951 g/cm³, which is the density of mercury at 0°C. This unit of pressure is used extensively in medicine, especially in the measurement of blood pressure.

To understand the concept of mmHg, it is important to first understand what pressure is. Pressure is the amount of force exerted per unit area. In the case of mmHg, it is the amount of force exerted by a column of mercury that is 1 millimeter high.

The normal range for blood pressure in adults is around 120/80 mmHg. This means that the pressure exerted by the blood in the arteries when the heart beats (systolic pressure) is around 120 mmHg, and the pressure exerted when the heart is at rest (diastolic pressure) is around 80 mmHg.

In addition to medicine, mmHg is also commonly used in meteorology to measure barometric pressure, which is the pressure exerted by the Earth's atmosphere. Barometric pressure is an important factor in weather forecasting as it helps predict weather patterns and changes.

Another unit of pressure measurement that is commonly used is the kilopascal (kPa). To convert mmHg to kPa, the following equation is used: 1 mmHg = 0.133 kPa.

In summary, millimeters of mercury (mmHg) is a unit of pressure measurement that is commonly used in medicine and meteorology. It is defined as the amount of pressure exerted by a column of mercury that is 1 millimeter high and has a density of 13.5951 g/cm³. This unit is used extensively in the measurement of blood pressure and barometric pressure.

In this unit converter website, we have converter from Millimetre of Mercury (mmHg) to some other Pressure unit.

### What does Centimeters of Water mean?

Centimeters of water (cmH2O) is a unit of pressure commonly used in medical and scientific contexts, particularly in respiratory medicine. It is based on the height of a column of water in a manometer, with one centimeter of water representing the pressure exerted by a column of water one centimeter in height.

CmH2O is often used to measure the pressure of gases, such as in the lungs or in a ventilator. It is also used to measure the pressure of fluids, such as in the circulatory system or in a dialysis machine. For example, in respiratory medicine, cmH2O is used to measure the pressure that is delivered to a patient's airways during mechanical ventilation.

CmH2O can be converted to other units of pressure, such as millimeters of mercury (mmHg) or kilopascals (kPa), depending on the context. To convert cmH2O to mmHg, the value in cmH2O is multiplied by 0.7356. To convert cmH2O to kPa, the value in cmH2O is divided by 10.1972.

CmH2O is a useful unit of pressure in medical and scientific contexts, as it provides a precise measurement of small changes in pressure. However, it is important to note that water is a relatively dense substance and cmH2O may not be the most appropriate unit of pressure for all applications. In some cases, other units of pressure, such as mmHg or kPa, may be more suitable.

In this unit converter website, we have converter from Centimeters of Water (cmH2O) to some other Pressure unit.

### What does Pressure mean?

Pressure is a kind of force. In the language of physics, a force is an object that changes or tries to change its state by acting on it or that changes or tries to change its motion by acting on a moving object.

For example, if someone pushes against a wall, the force is applied whether it changes its position or not. This effort is called force. On the other hand, the force exerted on a single area is called pressure.

This means that if we apply a force in a single case, it will be a force.

Pressure = (force ÷ area)

As an example, it is easy to take a photo with a pin because the area is less. Again, more pressure is required in the area.

The Unit of Pressure

Pressure scalar quantity, because it has value but has no direction. The SI unit of pressure is Pascal, which is equal to Newton per square meter (N/m²). Since an object or group of objects under pressure can act on its surroundings, the pressure is also measured as static energy in a single volume. It is related to the density of energy and can be expressed in joules unit per cubic meter (joules/m³, which is equal to Pascal). To make this concept precise, we use the idea of pressure. The pressure is defined to be the amount of force exerted per area.

Thanks for reading this article! Hopefully, it helps you understand what pressure is and how we measure the pressure of an object.

The following Pressure related conversions are available in our website:

### How to convert Millimetre of Mercury to Centimeters of Water : Detailed Description

Millimetre of Mercury (mmHg) and Centimeters of Water (cmH2O) are both units of Pressure. On this page, we provide a handy tool for converting between mmHg and cmH2O. To perform the conversion from mmHg to cmH2O, follow these two simple steps:

Steps to solve

Have you ever needed to or wanted to convert Millimetre of Mercury to Centimeters of Water for anything? It's not hard at all:

Step 1

• Find out how many Centimeters of Water are in one Millimetre of Mercury. The conversion factor is 1.35951 cmH2O per mmHg.

Step 2

• Let's illustrate with an example. If you want to convert 10 Millimetre of Mercury to Centimeters of Water, follow this formula: 10 mmHg x 1.35951 cmH2O per mmHg = cmH2O. So, 10 mmHg is equal to cmH2O.
• To convert any mmHg measurement to cmH2O, use this formula: mmHg = cmH2O x 1.35951. The Pressure in Millimetre of Mercury is equal to the Centimeters of Water multiplied by 1.35951. With these simple steps, you can easily and accurately convert Pressure measurements between mmHg and cmH2O using our tool at Pyron Converter.

FAQ regarding the conversion between mmHg and cmH2O

Question: How many Centimeters of Water are there in 1 Millimetre of Mercury ?

Answer: There are 1.35951 Centimeters of Water in 1 Millimetre of Mercury. To convert from mmHg to cmH2O, multiply your figure by 1.35951 (or divide by 0.7355591352766806).

Question: How many Millimetre of Mercury are there in 1 cmH2O ?

Answer: There are 0.7355591352766806 Millimetre of Mercury in 1 Centimeters of Water. To convert from cmH2O to mmHg, multiply your figure by 0.7355591352766806 (or divide by 1.35951).

Question: What is 1 mmHg equal to in cmH2O ?

Answer: 1 mmHg (Millimetre of Mercury) is equal to 1.35951 in cmH2O (Centimeters of Water).

Question: What is the difference between mmHg and cmH2O ?

Answer: 1 mmHg is equal to 1.35951 in cmH2O. That means that mmHg is more than a 1.35951 times bigger unit of Pressure than cmH2O. To calculate mmHg from cmH2O, you only need to divide the cmH2O Pressure value by 1.35951.

Question: What does 5 mmHg mean ?

Answer: As one mmHg (Millimetre of Mercury) equals 1.35951 cmH2O, therefore, 5 mmHg means cmH2O of Pressure.

Question: How do you convert the mmHg to cmH2O ?

Answer: If we multiply the mmHg value by 1.35951, we will get the cmH2O amount i.e; 1 mmHg = 1.35951 cmH2O.

Question: How much cmH2O is the mmHg ?

Answer: 1 Millimetre of Mercury equals 1.35951 cmH2O i.e; 1 Millimetre of Mercury = 1.35951 cmH2O.

Question: Are mmHg and cmH2O the same ?

Answer: No. The mmHg is a bigger unit. The mmHg unit is 1.35951 times bigger than the cmH2O unit.

Question: How many mmHg is one cmH2O ?

Answer: One cmH2O equals 0.7355591352766806 mmHg i.e. 1 cmH2O = 0.7355591352766806 mmHg.

Question: How do you convert cmH2O to mmHg ?

Answer: If we multiply the cmH2O value by 0.7355591352766806, we will get the mmHg amount i.e; 1 cmH2O = 0.7355591352766806 Millimetre of Mercury.

Question: What is the cmH2O value of one Millimetre of Mercury ?

Answer: 1 Millimetre of Mercury to cmH2O = 1.35951.

#### Common Millimetre of Mercury to Centimeters of Water conversion

mmHg cmH2O Description
0.1 mmHg 0.136 cmH2O 0.1 mmHg to cmH2O = 0.136
0.2 mmHg 0.272 cmH2O 0.2 mmHg to cmH2O = 0.272
0.3 mmHg 0.408 cmH2O 0.3 mmHg to cmH2O = 0.408
0.4 mmHg 0.544 cmH2O 0.4 mmHg to cmH2O = 0.544
0.5 mmHg 0.68 cmH2O 0.5 mmHg to cmH2O = 0.68
0.6 mmHg 0.816 cmH2O 0.6 mmHg to cmH2O = 0.816
0.7 mmHg 0.952 cmH2O 0.7 mmHg to cmH2O = 0.952
0.8 mmHg 1.088 cmH2O 0.8 mmHg to cmH2O = 1.088
0.9 mmHg 1.224 cmH2O 0.9 mmHg to cmH2O = 1.224
1 mmHg 1.36 cmH2O 1 mmHg to cmH2O = 1.36
2 mmHg 2.719 cmH2O 2 mmHg to cmH2O = 2.719
3 mmHg 4.079 cmH2O 3 mmHg to cmH2O = 4.079
4 mmHg 5.438 cmH2O 4 mmHg to cmH2O = 5.438
5 mmHg 6.798 cmH2O 5 mmHg to cmH2O = 6.798
6 mmHg 8.157 cmH2O 6 mmHg to cmH2O = 8.157
7 mmHg 9.517 cmH2O 7 mmHg to cmH2O = 9.517
8 mmHg 10.876 cmH2O 8 mmHg to cmH2O = 10.876
9 mmHg 12.236 cmH2O 9 mmHg to cmH2O = 12.236
10 mmHg 13.595 cmH2O 10 mmHg to cmH2O = 13.595
20 mmHg 27.19 cmH2O 20 mmHg to cmH2O = 27.19
30 mmHg 40.785 cmH2O 30 mmHg to cmH2O = 40.785
40 mmHg 54.38 cmH2O 40 mmHg to cmH2O = 54.38
50 mmHg 67.975 cmH2O 50 mmHg to cmH2O = 67.975
60 mmHg 81.571 cmH2O 60 mmHg to cmH2O = 81.571
70 mmHg 95.166 cmH2O 70 mmHg to cmH2O = 95.166
80 mmHg 108.761 cmH2O 80 mmHg to cmH2O = 108.761
90 mmHg 122.356 cmH2O 90 mmHg to cmH2O = 122.356

#### Common Centimeters of Water to Millimetre of Mercury conversion

cmH2O mmHg Description
0.1 cmH2O 0.074 mmHg 0.1 cmH2O to mmHg = 0.074
0.2 cmH2O 0.147 mmHg 0.2 cmH2O to mmHg = 0.147
0.3 cmH2O 0.221 mmHg 0.3 cmH2O to mmHg = 0.221
0.4 cmH2O 0.294 mmHg 0.4 cmH2O to mmHg = 0.294
0.5 cmH2O 0.368 mmHg 0.5 cmH2O to mmHg = 0.368
0.6 cmH2O 0.441 mmHg 0.6 cmH2O to mmHg = 0.441
0.7 cmH2O 0.515 mmHg 0.7 cmH2O to mmHg = 0.515
0.8 cmH2O 0.588 mmHg 0.8 cmH2O to mmHg = 0.588
0.9 cmH2O 0.662 mmHg 0.9 cmH2O to mmHg = 0.662
1 cmH2O 0.736 mmHg 1 cmH2O to mmHg = 0.736
2 cmH2O 1.471 mmHg 2 cmH2O to mmHg = 1.471
3 cmH2O 2.207 mmHg 3 cmH2O to mmHg = 2.207
4 cmH2O 2.942 mmHg 4 cmH2O to mmHg = 2.942
5 cmH2O 3.678 mmHg 5 cmH2O to mmHg = 3.678
6 cmH2O 4.413 mmHg 6 cmH2O to mmHg = 4.413
7 cmH2O 5.149 mmHg 7 cmH2O to mmHg = 5.149
8 cmH2O 5.884 mmHg 8 cmH2O to mmHg = 5.884
9 cmH2O 6.62 mmHg 9 cmH2O to mmHg = 6.62
10 cmH2O 7.356 mmHg 10 cmH2O to mmHg = 7.356
20 cmH2O 14.711 mmHg 20 cmH2O to mmHg = 14.711
30 cmH2O 22.067 mmHg 30 cmH2O to mmHg = 22.067
40 cmH2O 29.422 mmHg 40 cmH2O to mmHg = 29.422
50 cmH2O 36.778 mmHg 50 cmH2O to mmHg = 36.778
60 cmH2O 44.134 mmHg 60 cmH2O to mmHg = 44.134
70 cmH2O 51.489 mmHg 70 cmH2O to mmHg = 51.489
80 cmH2O 58.845 mmHg 80 cmH2O to mmHg = 58.845
90 cmH2O 66.2 mmHg 90 cmH2O to mmHg = 66.2