Convert atmosphere (standard)s to megapascals
1 atm = 0.101325 MPa — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 27 pressure & stress units
- Gigapascals GPa 0.000 101 325
- Megapascals MPa 0.101 325
- Kilopascals kPa 101.325
- Hectopascals hPa 1013.25
- Pascals Pa 101 325
- Millipascals mPa 101 325 000
- Micropascals µPa 101 325 000 000
- Bars bar 1.013 25
- Millibars mbar 1013.25
- Atmosphere (standard)s atm 1
- Atmosphere (technical)s at 1.033 227 452 8
- Torrs Torr 760
- Millitorrs mTorr 760 000
- Millimeter of mercurys mmHg 759.999 891 726
- Centimeter of mercurys cmHg 75.999 989 172 6
- Inch of mercurys inHg 29.921 255 579 7
- Millimeter of waters mmH₂O 10 332.274 528
- Centimeter of waters cmH₂O 1033.227 452 8
- Inch of waters inH₂O 406.782 461 732
- Foot of waters ftH₂O 33.898 538 477 7
- Pound per square inchs psi 14.695 948 775 5
- Kilopound per square inchs ksi 0.014 695 948 775 5
- Pound per square foots psf 2116.216 623 67
- Kilogram-force per square centimeters kgf/cm² 1.033 227 452 8
- Kilogram-force per square meters kgf/m² 10 332.274 528
- Newton per square millimeters N/mm² 0.101 325
- Dyne per square centimeters dyn/cm² 1 013 250
Every row is Atmosphere (standard) (atm) converted through the pascal, in exact rational arithmetic.
How to convert atmosphere (standard)s to megapascals
Multiply the number of atmosphere (standard)s by 0.101325 to get megapascals.
The exact factor is 0.101325 — as a fraction, 4053/40000.
Atmosphere (standard): Exactly 101 325 Pa by definition.
Atmosphere (standard) to Megapascal conversion table
| Atmosphere (standard)s (atm) | Megapascals (MPa) |
|---|---|
| 1 atm | 0.101 325 |
| 2 atm | 0.202 65 |
| 3 atm | 0.303 975 |
| 5 atm | 0.506 625 |
| 10 atm | 1.013 25 |
| 20 atm | 2.0265 |
| 25 atm | 2.533 125 |
| 50 atm | 5.066 25 |
| 100 atm | 10.1325 |
| 250 atm | 25.331 25 |
| 500 atm | 50.6625 |
| 1000 atm | 101.325 |
Megapascal to Atmosphere (standard) conversion table
| Megapascals (MPa) | Atmosphere (standard)s (atm) |
|---|---|
| 1 MPa | 9.869 232 7 |
| 2 MPa | 19.738 465 |
| 3 MPa | 29.607 698 |
| 5 MPa | 49.346 163 |
| 10 MPa | 98.692 327 |
| 20 MPa | 197.384 65 |
| 25 MPa | 246.730 82 |
| 50 MPa | 493.461 63 |
| 100 MPa | 986.923 27 |
| 250 MPa | 2467.3082 |
| 500 MPa | 4934.6163 |
| 1000 MPa | 9869.2327 |
Frequently asked
How many megapascals are in a atmosphere (standard)?
One atmosphere (standard) equals 0.101325 megapascals (atm → MPa). That figure is exact, not rounded.
How do you convert atmosphere (standard)s to megapascals?
Multiply the number of atmosphere (standard)s by 0.101325 to get megapascals.
What is 1 MPa in atmosphere (standard)s?
One megapascal is 9.869232667 atmosphere (standard)s.
What is 10 atm in MPa?
10 atm = 1.013 25 MPa.
What exactly is a atmosphere (standard)?
Exactly 101 325 Pa by definition.