Convert atm to MPa
Standard atmospheres to megapascals. Enter a value to convert, or use the atm to MPa chart further down the page.
1 standard atmosphere equals 0.101325 megapascals. Going the other way, 1 megapascal = 9.869232667 standard atmospheres.
How to convert atm to MPa
To convert standard atmospheres to megapascals, multiply the standard atmosphere value by 0.101325. You can also divide by 9.869232667 to get the same answer.
MPa = atm × 0.101325
Worked example
Convert 15 atm to megapascals:
15 atm = 1.519875 MPa
atm to MPa conversion chart
Use this atm to MPa table for quick reference without typing anything.
| standard atmospheres (atm) | megapascals (MPa) |
|---|---|
| 0.01 atm | 0.00101325 MPa |
| 0.1 atm | 0.0101325 MPa |
| 1 atm | 0.101325 MPa |
| 2 atm | 0.20265 MPa |
| 3 atm | 0.303975 MPa |
| 5 atm | 0.506625 MPa |
| 10 atm | 1.01325 MPa |
| 20 atm | 2.0265 MPa |
| 50 atm | 5.06625 MPa |
| 100 atm | 10.1325 MPa |
| 1,000 atm | 101.325 MPa |
What is a standard atmosphere?
The standard atmosphere is defined as exactly 101,325 pascals — the reference sea-level pressure.
What is a megapascal?
The megapascal (MPa) is a unit of pressure equal to 1000000 pascals.
Frequently asked questions
How many MPa are in a standard atmosphere?
1 atm equals 0.101325 MPa. Going the other way, 1 MPa is 9.869232667 atm.
How do you convert atm to MPa?
To convert standard atmospheres to megapascals, multiply the standard atmosphere value by 0.101325. You can also divide by 9.869232667 to get the same answer.
What is 10 atm in MPa?
10 atm equals 1.01325 MPa. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert atm to other units
- MPa to atm
- atm to psi
- atm to bar
- atm to pascals
- atm to kPa
- atm to mmHg
- atm to torr
- atm to millibars
- atm to inHg
Convert other units to MPa
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