The megapascal is a x1000000 multiple of the pascal unit which is the SI unit for pressure. 1 megapascal equals 1,000,000 pascals.

Primarily used for higher range pressure measurement due to its larger value (e.g. 1 MPa = 10 bar), the MPa is mainly used to describe the pressure ranges and ratings of hydraulic systems. Despite the convenience of using megapascal pressure units to limit the number of digits used on dial gauges and readouts, the bar and the psi pressure unit are still used more commonly used for describing hydraulic pressures.

A pressure value in megapascals can be converted into its equivalent value in another pressure unit by multiplying it by one of the factors in the table below.

To find the conversion factor to convert to megapascals please click on the appropriate unit below or use our unit converter for multiple calculations if you prefer.

**Pa - pascal based unit range pressure measurement products**

- 0 to 9 pascals range pressure gauge
- 500 kPa g range rupture disk blowing digital display pressure gauge and logger
- 1 hPa Positive Room Pressure Sensor, Switch & Display
- 10kPa differential range water pressure sensor & panel mount digital display

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## Conversion Factors

- 10 bar
- 145.038 psi
- 10000 mbar
- 1000000 N/m²
- 1000000 Pa
- 10000 hPa
- 1000 kPa
- 1 MPa
- 10.1972 kg/cm²
- 101972 mmH2O 4°C (39.2°F)
- 10197.2 cmH2O 4°C (39.2°F)
- 101.972 mH2O 4°C (39.2°F)
- 4014.63 inH2O 4°C (39.2°F)
- 334.553 ftH2O 4°C (39.2°F)
- 7500.62 mmHg 0°C (32°F)
- 750.062 cmHg 0°C (32°F)
- 295.300 inHg 0°C (32°F)
- 7500.62 Torr
- 7500620 mTorr
- 9.86923 atm
- 10.1972 at
- 10000000 dyn/cm²
- 2320.60 oz/in²
- 7500620 µHg 0°C (32°F)
- 0.0647490 tsi (uk, long)
- 0.0725189 tsi (usa, short)
- 10.4427 tsf (usa, short)
- 20885.4 psf
- 10197.2 g/cm²

*Please note that the conversion factors above are accurate to 6 significant figures.*

**Pa - pascal based unit range pressure measurement products**

- 800 kPa g range 4-20mA output freshwater pressure sensor for agricultural pump use
- 20,000 kilopascal portable pressure calibrator
- 3 MPa absolute range 0-5Vdc output nitrogen gas pressure sensor for aerospace testing use
- 100 Pa bi-directional range differential air pressure transmitter

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## Conversion Tables

Select a look up table for converting a pressure reading in megapascals to other measurement units.

- psi » 1 to 1000 MPa → 145.038 to 145,038 psi
- bar » 1 to 1000 MPa → 10 to 10,000 bar
- kg/cm² » 1 to 1000 MPa → 10.1972 to 10,197.2 kg/cm²
- ksi » 1 to 1000 MPa → 0.145038 to 145.038 ksi

## Help

### MPa to N/mm²

*What is 1 MPa equal to in N/mm²?*

1 megapascal is exactly equal to 1 N/mm².

1 MPa = 1,000,000 Pa

If 1 Pa = 1 N/m² = 1 N / (1,000 mm x 1,000 mm) = 1/1,000,000 N/mm2

Then 1 MPa = 1,000,000 Pa = 1,000,000 x 1/1,000,000 N/mm2 = 1 N/mm²

### MPa to kN/mm²

*How is 1MPa converted into 1kN/mm²?*

1 MPa (megapascal) is exactly equal to 1 N/mm2 (Newton per square millimetre)

1 kN/mm² = 1000 N/mm²

Therefore 1 MPa = 1 kN/mm²/1000 = 0.001 kN/mm²

**Pa - pascal based unit range pressure measurement products**

- ATEX rated room ±100 Pa differential pressure transmitter
- 1MPa, 10bar, 4000inH2O, 150psi, 1000kPa range pressure gauge
- 1000 kPa g range natural gas 4-20mA output pressure sensor and switch
- 10Pa diff range 0-20mA output air pressure sensor for automotive component testing

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## Measurement Unit Related Terms

More pages related to measurement unit technical terms.

- at – Technical Atmosphere Pressure Unit
- atm – Standard Atmosphere Pressure Unit
- bar Pressure Unit
- cmH2O – Centimetres of Water Column at 4 deg C Pressure Unit
- cmHg – Centimetres of Mercury at 0 deg C Pressure Unit
- daPa – Dekapascal Pressure Unit
- dyn/cm² – Dyne per Square Centimetre Pressure Unit
- ftH2O – Feet of Water Column at 4 deg C Pressure Unit
- g – Acceleration due to Gravity
- g/cm² – Grams per Square Centimetre Pressure Unit
- hPa – Hectopascal Pressure Unit
- inH2O – Inches of Water Column at 4 deg C Pressure Unit
- inHg – Inches of Mercury at 0 degrees C Pressure Unit
- kg/cm² – Kilogram per Square Centimetre Pressure Unit
- kg/mm² – Kilogram per Square Millimetre Pressure Unit
- kPa – Kilopascal Pressure Unit
- ksi – Kilopounds per Square Inch Pressure Unit
- mbar – Millibar Pressure Unit
- mH2O – Metres of Water Gauge at 4 deg C Pressure Unit
- mmH2O – Millimetres of Water Column at 4 deg C Pressure Unit
- mmHg – Millimetres of Mercury at 0 deg C Pressure Unit
- mPa – Millipascal Pressure Unit
- mTorr – Millitorr Pressure Unit
- N/cm² – Newton per Square Centimetre Pressure Unit
- N/m2 – Newton per Square Metre Pressure Unit
- N/mm² – Newton per Square Millimetre Pressure Unit
- oz/in² – Ounce per Square Inch Pressure Unit
- Pa – Pascal Pressure Unit
- Pressure
- Pressure Units
- psf – Pounds per Square Foot Pressure Unit
- psi – Pounds per Square Inch Pressure Unit
- Specific Gravity
- Torr Pressure Unit
- tsf – Tons per Square Foot (USA, Short) Pressure Unit
- tsi – Tons per Square Inch (UK, Long) Pressure Unit
- tsi – Tons per Square Inch (USA, Short) Pressure Unit
- Water Density
- µHg – Micron of Mercury at 0 deg C Pressure Unit