Convert atmosphere to megapascal
1 atm = 0.101325 MPa
1 atm = 0.101 MPa
1 atm in every pressure unit
| pascal | 101,000 Pa |
| kilopascal | 101 kPa |
| megapascal | 0.101 MPa |
| bar | 1.01 bar |
| atmosphere | 1 atm |
| millimeter of mercury | 760 mmHg |
| pound per square inch | 14.7 psi |
| foot of water column | 33.9 ft H₂O |
| gigapascal | 0.000101 GPa |
| kip per square inch | 0.0147 ksi |
| inch of mercury | 29.9 inHg |
| inch of water column | 407 in w.g. |
How the conversion works
Multiply by 0.101325 to go from atmosphere to megapascal, or divide by it to go back. Every conversion on this site routes through the SI value (Pa) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? megapascal to atmosphere — 1 MPa = 9.869232667 atm.
atmosphere to megapascal — common values
| 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 |
| 15 atm | 1.519875 MPa |
| 20 atm | 2.0265 MPa |
| 25 atm | 2.533125 MPa |
| 50 atm | 5.06625 MPa |
| 75 atm | 7.599375 MPa |
| 100 atm | 10.1325 MPa |
| 250 atm | 25.33125 MPa |
| 500 atm | 50.6625 MPa |
| 1000 atm | 101.325 MPa |