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Pressure units
Pressure is measured as force per unit area and is used to describe everything from tire pressure to industrial systems. There are many different pressure units used depending on industry and geographic standards, such as kilopascals (kPa), bar, PSI, and atmosphere (atm).
Pressure converter
With our pressure converter you can easily convert from kilopascals (kPa) to several other units, such as bar, PSI, Pascal and atm. The results are displayed instantly with precise conversion factors to ensure reliable and accurate values.
Results
| Unit | Value |
|---|
How is pressure measured?
Pressure is a measure of the force applied to a surface. It is used to monitor and control systems in industry, science and everyday applications, and is mathematically defined as:
Pressure = Force ÷ Area
Pressure can be expressed in different units depending on the system and application, and the most common are:
-
Pascal (Pa): Standard unit in the metric system. 1 Pa = 1 Newton per square meter.
-
Bar: Common in industry and technology. 1 bar = 100,000 Pa.
-
PSI: Mainly used in English-speaking countries. 1 PSI = 6894.76 Pa.
-
Atmosphere (atm): Indicates the pressure at sea level, about 101,325 Pa.
What instruments are used to measure pressure?
Pressure is measured with different instruments depending on the application requirements and desired accuracy. Some of the most common instruments are:
-
Manometer: A common measuring instrument for measuring pressure in liquids and gases, for example in tires, piping systems or process equipment.
-
Differential pressure gauge: Used to measure differences in pressure between two points in a system, which is useful when controlling flows and ventilation systems.
-
Digital pressure sensors: These advanced sensors are used in modern systems to measure and continuously monitor pressure with high precision and in real time.
Types of pressure
Pressure can be measured in different ways depending on the reference point, some common types of pressure are:
-
Absolute pressure: Measured in relation to absolute vacuum, where there is no pressure influence.
-
Relative pressure: Measured in relation to atmospheric pressure (usually called gauge pressure). This is often used to measure pressure in tires or hydraulic systems.
-
Differential pressure: The difference between two pressure points.
Pressure conversion table
| Unit | Value for 1 kPa | Relation to kPa |
|---|---|---|
| Megapascal (MPa) | 0.001 | 1 kPa = 0.001 MPa |
| Kilopascal (kPa) | 1 | 1 kPa = 1 kPa |
| Pascal (Pa) | 1,000 | 1 kPa = 1,000 Pa |
| Atmosphere (std) (atm) | 0.00986923 | 1 kPa ≈ 0.009869 atm |
| Technical atmosphere (at) | 0.01019716 | 1 kPa ≈ 0.010197 at |
| Megabar (Mbar) | 0.00000001 | 1 kPa = 0.00000001 Mbar |
| Kilobar (kbar) | 0.00001 | 1 kPa = 0.00001 kbar |
| Bar (bar) | 0.01 | 1 kPa = 0.01 bar |
| Decibar (dbar) | 0.1 | 1 kPa = 0.01 bar |
| Millibar (cbar) | 10 | 1 kPa = 10 cbar |
| Microbar (μbar) | 10,000 | 1 kPa = 10,000 μbar |
| Dyne/cm² (barye) (Ba) | 10,000 | 1 kPa = 10,000 Ba |
| Pound per square inch (psi) | 0.1450377 | 1 kPa ≈ 0.145 psi |
| Kilopound per square inch (ksi) | 0.00014504 | 1 kPa ≈ 0.000145 ksi |
| Inch of mercury (inHg) | 0.295299 | 1 kPa ≈ 0.295 inHg |
| Centimeter of mercury (cmHg) | 0.75 | 1 kPa ≈ 0.75 cmHg |
| Millimeter of mercury (mmHg/torr) | 7.5006168 | 1 kPa ≈ 7.501 mmHg |
| Micrometer of mercury (μmHg/mtorr) | 7,500.6168 | 1 kPa ≈ 7,500.617 μmHg |
| Foot of water (ftH2O) | 0.33455 | 1 kPa ≈ 0.335 ftH2O |
| Inch of water (inH2O) | 4.01474 | 1 kPa ≈ 4.015 inH2O |
| Centimeter of water (cmH2O) | 10.1972 | 1 kPa ≈ 10.197 cmH2O |
| Millimeter of water (mmH2O) | 101.9716 | 1 kPa ≈ 101.972 mmH2O |
Pressure units
Pressure is measured as force per unit area and is used to describe everything from tire pressure to industrial systems. There are many different pressure units used depending on industry and geographic standards, such as kilopascals (kPa), bar, PSI, and atmosphere (atm).
Pressure converter
With our pressure converter you can easily convert from kilopascals (kPa) to several other units, such as bar, PSI, Pascal and atm. The results are displayed instantly with precise conversion factors to ensure reliable and accurate values.
Results
| Unit | Value |
|---|
How is pressure measured?
Pressure is a measure of the force applied to a surface. It is used to monitor and control systems in industry, science and everyday applications, and is mathematically defined as:
Pressure = Force ÷ Area
Pressure can be expressed in different units depending on the system and application, and the most common are:
-
Pascal (Pa): Standard unit in the metric system. 1 Pa = 1 Newton per square meter.
-
Bar: Common in industry and technology. 1 bar = 100,000 Pa.
-
PSI: Mainly used in English-speaking countries. 1 PSI = 6894.76 Pa.
-
Atmosphere (atm): Indicates the pressure at sea level, about 101,325 Pa.
What instruments are used to measure pressure?
Pressure is measured with different instruments depending on the application requirements and desired accuracy. Some of the most common instruments are:
-
Manometer: A common measuring instrument for measuring pressure in liquids and gases, for example in tires, piping systems or process equipment.
-
Differential pressure gauge: Used to measure differences in pressure between two points in a system, which is useful when controlling flows and ventilation systems.
-
Digital pressure sensors: These advanced sensors are used in modern systems to measure and continuously monitor pressure with high precision and in real time.
Types of pressure
Pressure can be measured in different ways depending on the reference point, some common types of pressure are:
-
Absolute pressure: Measured in relation to absolute vacuum, where there is no pressure influence.
-
Relative pressure: Measured in relation to atmospheric pressure (usually called gauge pressure). This is often used to measure pressure in tires or hydraulic systems.
-
Differential pressure: The difference between two pressure points.
Pressure conversion table
| Unit | Value for 1 kPa | Relation to kPa |
|---|---|---|
| Megapascal (MPa) | 0.001 | 1 kPa = 0.001 MPa |
| Kilopascal (kPa) | 1 | 1 kPa = 1 kPa |
| Pascal (Pa) | 1,000 | 1 kPa = 1,000 Pa |
| Atmosphere (std) (atm) | 0.00986923 | 1 kPa ≈ 0.009869 atm |
| Technical atmosphere (at) | 0.01019716 | 1 kPa ≈ 0.010197 at |
| Megabar (Mbar) | 0.00000001 | 1 kPa = 0.00000001 Mbar |
| Kilobar (kbar) | 0.00001 | 1 kPa = 0.00001 kbar |
| Bar (bar) | 0.01 | 1 kPa = 0.01 bar |
| Decibar (dbar) | 0.1 | 1 kPa = 0.01 bar |
| Millibar (cbar) | 10 | 1 kPa = 10 cbar |
| Microbar (μbar) | 10,000 | 1 kPa = 10,000 μbar |
| Dyne/cm² (barye) (Ba) | 10,000 | 1 kPa = 10,000 Ba |
| Pound per square inch (psi) | 0.1450377 | 1 kPa ≈ 0.145 psi |
| Kilopound per square inch (ksi) | 0.00014504 | 1 kPa ≈ 0.000145 ksi |
| Inch of mercury (inHg) | 0.295299 | 1 kPa ≈ 0.295 inHg |
| Centimeter of mercury (cmHg) | 0.75 | 1 kPa ≈ 0.75 cmHg |
| Millimeter of mercury (mmHg/torr) | 7.5006168 | 1 kPa ≈ 7.501 mmHg |
| Micrometer of mercury (μmHg/mtorr) | 7,500.6168 | 1 kPa ≈ 7,500.617 μmHg |
| Foot of water (ftH2O) | 0.33455 | 1 kPa ≈ 0.335 ftH2O |
| Inch of water (inH2O) | 4.01474 | 1 kPa ≈ 4.015 inH2O |
| Centimeter of water (cmH2O) | 10.1972 | 1 kPa ≈ 10.197 cmH2O |
| Millimeter of water (mmH2O) | 101.9716 | 1 kPa ≈ 101.972 mmH2O |