Megapascal (MPa)
Exactly one million pascals.
What is a megapascal?
- Symbol
- MPa
- Quantity
- Pressure
- Unit system
- SI
- Definition
- Exactly one million pascals.
- Exact
- Yes, the value is exact by definition
- Source
- SI Brochure, 9th edition (BIPM, 2019)
Common applications
Used for material strength (steel, concrete) and high-pressure hydraulics. One MPa equals one N/mm².
Megapascal in other pressure units
- 1 MPa = 1000000 PaPascal
- 1 MPa = 10000 hPaHectopascal
- 1 MPa = 1000 kPaKilopascal
- 1 MPa = 0.001 GPaGigapascal
- 1 MPa = 10000 mbarMillibar
- 1 MPa = 10 barBar
- 1 MPa ≈ 9.869232667 atmStandard atmosphere
- 1 MPa ≈ 10.19716213 atTechnical atmosphere
- 1 MPa ≈ 7500.616827 TorrTorr
- 1 MPa ≈ 7500.615758 mmHgMillimeter of mercury
- 1 MPa ≈ 145.0377377 psiMegapascal to Pound-force per square inch converter
- 1 MPa ≈ 0.1450377377 ksiMegapascal to Kilopound-force per square inch converter
Megapascal quick reference
| Megapascal | Pound-force per square inch | Kilopound-force per square inch | Bar |
|---|---|---|---|
| 1 MPa | ≈ 145.0377377 psi | ≈ 0.1450377377 ksi | = 10 bar |
| 10 MPa | ≈ 1450.377377 psi | ≈ 1.450377377 ksi | = 100 bar |
| 100 MPa | ≈ 14503.77377 psi | ≈ 14.50377377 ksi | = 1000 bar |
| 1000 MPa | ≈ 145037.7377 psi | ≈ 145.0377377 ksi | = 10000 bar |
Where the megapascal fits
The next smaller pressure unit is the standard atmosphere (atm). 1 MPa ≈ 9.869232667 atm, and 1 atm = 0.101325 MPa.
The next larger pressure unit is the ksi (ksi). 1 MPa ≈ 0.1450377377 ksi, and 1 ksi ≈ 6.894757293 MPa.
Frequently asked questions
- How many psi are in one megapascal?
- One megapascal ≈ 145.0377377 psi (psi).
- How many ksi are in one megapascal?
- One megapascal ≈ 0.1450377377 ksi (ksi).
- How many bars are in one megapascal?
- One megapascal = 10 bar (bars).