Atmosphere to Megapascal Converter
Enter a value to instantly convert between pressure units.
Precision4 dp
1 Atmosphere = 0.1013 Megapascal
Key Formulas
Pound per Sq. Inch → Bar
bar = psi × 0.0689476Bar → Pound per Sq. Inch
psi = bar × 14.5038Atmosphere → Pound per Sq. Inch
psi = atm × 14.6959Pound per Sq. Inch → Atmosphere
atm = psi × 0.068046Formula
MPa = atm × 0.101325One atmosphere equals 101,325 pascals, which equals 0.101325 megapascals. This conversion appears in high-pressure industrial applications, hydraulic systems, and materials science where megapascal is the preferred unit.
Source: NIST SP 811
Frequently Asked Questions
Real-World Examples
One atmosphere is 0.101 MPa — relatively low pressure.
1 atm = 0.101325 MPa
10 atmospheres equals 1.013 MPa.
10 atm = 1.01325 MPa
100 atm equals 10.13 MPa — high pressure.
100 atm = 10.1325 MPa
50 atm equals 5.07 MPa.
50 atm = 5.06625 MPa