## Convert psi to mpa — Conversion of Measurement Units

**Please enable Javascript to use the unit converter**

How many psi in 1 mpa?

The answer is 1.4503773800722E-7.

We assume you are converting between **pound/square inch** and **millipascal**.

You can view more details on each measurement unit:

psi or

mpa

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.00014503773800722 psi, or 1000 mpa.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between pounds/square inch and millipascals.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from

mpa to psi, or enter any two units below:

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in or lbf/in) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

The SI prefix «milli» represents a factor of

10^{-3}, or in exponential notation, 1E-3.

So 1 millipascal = 10^{-3} pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.

**ConvertUnits.com** provides an online

conversion calculator for all types of measurement units.

You can find metric conversion tables for SI units, as well

as English units, currency, and other data. Type in unit

symbols, abbreviations, or full names for units of length,

area, mass, pressure, and other types. Examples include mm,

inch, 100 kg, US fluid ounce, 6’3″, 10 stone 4, cubic cm,

metres squared, grams, moles, feet per second, and many more!

www.convertunits.com

## Pound force per square inch to Megapascal

FORMULA: psi / 145.0377

Simply

enter your psi value in the box then click on Convert

**Psi (Pound force per square inch) To Megapascal (MPa) Conversion**

This standalone page concentrats on one thing that one thing is what your looking for, That’s right, it’s conveting Pound force per square inch in a MPa?

Psi most commanly used pressure unit with in united states so this calulator is useful for tose wanting to convert to the metric MPa pressure value

Remeber yu can do this longhand with the formula 1 pound per square inch (psi) equals to 6 894.75729 pascals.

- Use if you want to Convert pound/square inch to megapascal
- If your looking for tire pressure you may want to try kPa to psi
- Speaking of which it may be good for you car insurance to have the right pressure in your tires at all times

#### Conversion of PSI to MPa

The Pascal is the SI unit of pressure, which is named after Blaise Pascal. Like all other International System of Units (SI) that are usually derived from proper names, the Pascal is named after Pascal’s proper name. Blaise Pascal was a French physicist, writer, philosopher, mathematician and inventor, who conducted numerous studies on pressure measurements. The symbol of Pascal is Pa and the unit is used in measuring internal pressure, Young’s modulus, tensile strength, and stress, among other pressure related units. Pressure is the measure of force that is acting per unit area and is measured in terms of Newton per square meter (N/M2). The pressure gauge reading is usually in pound force per square inch (psi) and kPa (black scale).

Since pressure gauges give readings in terms of pound force per square inch (psi) and kPa. The common multiples of the Pascal are:

- Hecto-Pascal ( 1 hectopascal (1 hPa) is equivalent to 100 Pa)
- Kilo-Pascal (1 kPa is equivalent to 1000 Pa)
- Mega-Pascal (1 MPa is equivalent to 1,000,000 Pa)
- Giga-Pascal (1 GPa is equivalent 1, 000, 000, 000 Pa)

#### Converting Psi to MPa

By definition, 1 Psi is one pound of force acting on one square inch. The Psi is the most critical pressure unit in the United States and is typically used in a broad range of applications. Since the Megapascal (MPa) is the unit of pressure that is frequently used in hydraulic systems and machines because of its high pressure ratings, it is critical to know how to convert Psi to MPa. How many units of Psi are equivalent to 1 MPa? Since one pound square inch (Psi) is equivalent to 6 894.75729 Pascal, then 1 Psi is equivalent to 0.00689475729 Megapascal.

1Pa = 1 N/m^2 therefore 1 MPa

= 10^6 N/m^2

1psi = 0.4536 x 9.81 N/in^2

= 0.4536 x 9.81 x 10^4 / (2.54)^2 N/m^2

= 6897. N/m^2

Therefore 1 MPa = 10^6 / 6897.

= 144.99 psi

The calculation for psi into Pascal units is as follows:

1 Pa = 1 Pascals (Pa)

1 psi = 6894.76 Pascals (Pa)

Pa value x 1 Pa = psi value x 6894.76 Pa

Pa value = psi value x 6894.76

On the earth surface, the standard atmospheric pressure is accurately given as 101.325 kPa. Barometric pressure reports by meteorologists usually give the pressure in hectopascal while the kilopascal is commonly used to report pressure in inflation guidance markings for bicycle tires. The hectopascal usually corresponds to an atmospheric pressure of 0.1% just slightly above the sea level, while one kilopascal corresponds to about 1% atmospheric pressure. One hectopascal is also equivalent to one millibar while one standard atmospheric pressure corresponds to 101325 Pa, 1013.25 hPa, or 101.325 kPa. The corresponding US customary and imperial unit is the pound per square inch (Psi), which is common in meteorology.

Conversion of Psi to MPa is crucial when working with Psi units or differential pressure and there arises a need to convert the pressure to MPa. Example of differential pressure measurement is determination of Psi between two points. The conversions are also relevant when you are measuring absolute pressure and you are assuming that the measurements are in Psi. Besides, there are numerous psi to MPa calculators out there that can help in the conversion. The user only needs to learn how to use the calculator, particularly data input, and how to read the results of the calculations.

convertmpatopsi.com

## Convert psi to kpa — Conversion of Measurement Units

**Please enable Javascript to use the unit converter**

How many psi in 1 kpa?

The answer is 0.14503773800722.

We assume you are converting between **pound/square inch** and **kilopascal**.

You can view more details on each measurement unit:

psi or

kpa

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.00014503773800722 psi, or 0.001 kpa.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between pounds/square inch and kilopascals.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from

kpa to psi, or enter any two units below:

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in or lbf/in) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

The SI prefix «kilo» represents a factor of

10^{3}, or in exponential notation, 1E3.

So 1 kilopascal = 10^{3} pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.

**ConvertUnits.com** provides an online

conversion calculator for all types of measurement units.

You can find metric conversion tables for SI units, as well

as English units, currency, and other data. Type in unit

symbols, abbreviations, or full names for units of length,

area, mass, pressure, and other types. Examples include mm,

inch, 100 kg, US fluid ounce, 6’3″, 10 stone 4, cubic cm,

metres squared, grams, moles, feet per second, and many more!

www.convertunits.com

## Convert kpa to psi

Please provide values below to convert kilopascal [kPa] to psi [psi], or *vice versa*.

#### Kilopascal

**Definition:** A kilopascal (symbol: kPa) is a multiple of the pascal (Pa), an SI (International System of Units) derived unit of pressure used to measure internal pressure, Young’s modulus, stress, and ultimate tensile strength. A kilopascal is defined as 1,000 Pa, where 1 Pa is defined as the pressure exerted by a 1 newton force applied perpendicularly to an area of one square meter, expressed as 1 N/m^{2} or 1 kg/m·s^{2}.

**History/origin:** The unit, pascal, is named after Blaise Pascal, a French mathematician and physicist. The kilopascal is simply a multiple of the pascal, as is common within SI.

In 1971, at the 14^{th} General Conference on Weights and Measures, the pascal was adopted as an SI derived unit of pressure.

**Current use:** The kilopascal is widely used worldwide in countries that have adopted SI. Exceptions include certain countries that use either the imperial or United States customary systems of measurement, such as the United States, in which the unit of pound per square inch is more commonly used. The kilopascal is more prevalent in scientific contexts such as material science, engineering, and geophysics. This is true of most countries, including the United States.

#### Pound-force per square inch

**Definition:** A pound-force per square inch (symbol: psi) is an imperial and US customary unit of pressure based on avoirdupois units. It is defined as the pressure that results when a force of one pound-force is applied to a one-square-inch area. One psi is approximately 6,895 pascals (N/m^{2}).

**History/origin:** Pound-force per square inch is a unit that originated in the imperial and US customary systems of units. It is based on the avoirdupois system, a system that uses weights in terms of the avoirdupois pound, which was standardized in 1959. The system is believed to have come into use in England around 1300 and was used in the international wool trade. As such, the prototype pound at the time was known as the avoirdupois wool pound.

**Current use:** The psi is fairly widely used to measure numerous pressures, such as tire pressure, scuba tank pressure, natural gas pipeline pressure, among others. Although the pascal is more widely used in scientific contexts, psi is more often used in everyday contexts, particularly in countries like the United States as well as others under the US customary or imperial systems of units.

#### Kilopascal to Psi Conversion Table

Kilopascal [kPa] | Psi [psi] |
---|---|

0.01 kPa | 0.0014503774 psi |

0.1 kPa | 0.0145037738 psi |

1 kPa | 0.1450377377 psi |

2 kPa | 0.2900754755 psi |

3 kPa | 0.4351132132 psi |

5 kPa | 0.7251886887 psi |

10 kPa | 1.4503773773 psi |

20 kPa | 2.9007547546 psi |

50 kPa | 7.2518868865 psi |

100 kPa | 14.503773773 psi |

1000 kPa | 145.03773773 psi |

#### How to Convert Kilopascal to Psi

1 kPa = 0.1450377377 psi

1 psi = 6.8947572932 kPa

**Example:** convert 15 kPa to psi:

15 kPa = 15 × 0.1450377377 psi = 2.175566066 psi

#### Popular Pressure Unit Conversions

#### Convert Kilopascal to Other Pressure Units

www.unitconverters.net

## Convert bar to psi

Please provide values below to convert bar to psi [psi], or *vice versa*.

#### Bar

**Definition:** A bar (symbol: bar) is a metric unit of pressure that is defined as exactly 100,000 pascals (symbol: Pa). It is equal to 0.987 atmospheres (101,325 Pa), the unit often used as a reference of standard pressure.

**History/origin:** The unit, bar, was introduced by Vilhelm Bjerknes, a Norwegian meteorologist who founded modern weather forecasting. The term «bar» comes from the Greek word «baros,» which means weight.

**Current use:** Although the bar is a metric unit of pressure, it is not accepted within the International System of Units (SI) and is even deprecated within certain fields. The International Bureau of Weights and Measures has specified the bar as a unit that authors should have the freedom to use but has chosen not to include the bar in the list of non-SI units accepted for use with SI.

Millibars (symbol: mb) are also commonly used when referencing atmospheric air pressure, where atmospheric pressure equals 1013.25 mbar (101.325 kPa). Meteorologists and weather reporters worldwide often use this unit for convenience, since working in pascals would result in much larger values.

#### Pound-force per square inch

**Definition:** A pound-force per square inch (symbol: psi) is an imperial and US customary unit of pressure based on avoirdupois units. It is defined as the pressure that results when a force of one pound-force is applied to a one-square-inch area. One psi is approximately 6,895 pascals (N/m^{2}).

**History/origin:** Pound-force per square inch is a unit that originated in the imperial and US customary systems of units. It is based on the avoirdupois system, a system that uses weights in terms of the avoirdupois pound, which was standardized in 1959. The system is believed to have come into use in England around 1300 and was used in the international wool trade. As such, the prototype pound at the time was known as the avoirdupois wool pound.

**Current use:** The psi is fairly widely used to measure numerous pressures, such as tire pressure, scuba tank pressure, natural gas pipeline pressure, among others. Although the pascal is more widely used in scientific contexts, psi is more often used in everyday contexts, particularly in countries like the United States as well as others under the US customary or imperial systems of units.

#### Bar to Psi Conversion Table

Bar | Psi [psi] |
---|---|

0.01 bar | 0.1450377377 psi |

0.1 bar | 1.4503773773 psi |

1 bar | 14.503773773 psi |

2 bar | 29.007547546 psi |

3 bar | 43.511321319 psi |

5 bar | 72.518868865 psi |

10 bar | 145.03773773 psi |

20 bar | 290.07547546 psi |

50 bar | 725.18868865 psi |

100 bar | 1450.3773773 psi |

1000 bar | 14503.773773 psi |

#### How to Convert Bar to Psi

1 bar = 14.503773773 psi

1 psi = 0.0689475729 bar

**Example:** convert 15 bar to psi:

15 bar = 15 × 14.503773773 psi = 217.556606595 psi

#### Popular Pressure Unit Conversions

#### Convert Bar to Other Pressure Units

www.unitconverters.net

## Convert psig to mpa — Conversion of Measurement Units

**Please enable Javascript to use the unit converter**

How many psig in 1 mpa?

The answer is 1.4503773800722E-7.

We assume you are converting between **pound/square inch [gauge]** and **millipascal**.

You can view more details on each measurement unit:

psig or

mpa

The SI derived unit for **pressure** is the pascal.

1 pascal is equal to 0.00014503773800722 psig, or 1000 mpa.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between pounds/square inch and millipascals.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from

mpa to psig, or enter any two units below:

Psig (pound-force per square inch gauge) is a unit of pressure relative to the surrounding atmosphere. By contrast, psia measures pressure relative to a vacuum (such as that in space). At sea level, Earth’s atmosphere actually exerts a pressure of 14.7 psi. Humans do not feel this pressure because internal pressure of liquid in their bodies matches the external pressure. If a pressure gauge is calibrated to read zero in space, then at sea level on Earth it would read 14.7 psi. Thus a reading of 30 psig on a tire gauge represents an absolute pressure of 44.7 psi.

The SI prefix «milli» represents a factor of

10^{-3}, or in exponential notation, 1E-3.

So 1 millipascal = 10^{-3} pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.

**ConvertUnits.com** provides an online

conversion calculator for all types of measurement units.

You can find metric conversion tables for SI units, as well

as English units, currency, and other data. Type in unit

symbols, abbreviations, or full names for units of length,

area, mass, pressure, and other types. Examples include mm,

inch, 100 kg, US fluid ounce, 6’3″, 10 stone 4, cubic cm,

metres squared, grams, moles, feet per second, and many more!

www.convertunits.com

## Convert psi to mm hg

**Please enable Javascript to use the unit converter**

How many psi in 1 mm hg?

The answer is 0.019336777496394.

We assume you are converting between **pound/square inch** and **.You can view more details on each measurement unit:psi or mm hgThe SI derived unit for **

**pressure**is the pascal.1 pascal is equal to 0.00014503773800722 psi, or 0.0075006157584566 mm hg.Note that rounding errors may occur, so always check the results.Use this page to learn how to convert between pounds/square inch and millimeters mercury.Type in your own numbers in the form to convert the units!

**You can do the reverse unit conversion from mm hg to psi, or enter any two units below:**

**The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in or lbf/in) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.**

**The millimeter of mercury by definition is 133.322387415 Pa (13.5951 g/cm3 9.80665 m/s2 1 mm), which is approximated with known accuracies of density of mercury and standard gravity.**

**The torr is defined as 1/760 of one standard atmosphere, while the atmosphere is defined as 101325 pascals. Therefore, 1 Torr is equal to
101325/760 Pa. The decimal form of this fraction is approximately 133.322368421.**

**The relationship between the torr and the millimeter of mercury is:**

**1 Torr = 0.999999857533699 mmHg
1 mmHg = 1.000000142466321 Torr**

**The difference between one millimeter of mercury and one torr, as well as between one atmosphere (101.325 kPa) and 760 mmHg (101.3250144354 kPa), is less than one part in seven million (or less than 0.000015%). This small difference is negligible for most applications outside metrology.**

**ConvertUnits.com** provides an online

conversion calculator for all types of measurement units.

You can find metric conversion tables for SI units, as well

as English units, currency, and other data. Type in unit

symbols, abbreviations, or full names for units of length,

area, mass, pressure, and other types. Examples include mm,

inch, 100 kg, US fluid ounce, 6’3″, 10 stone 4, cubic cm,

metres squared, grams, moles, feet per second, and many more!

**www.convertunits.com**

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