Convert Megapascal to Atmosphere
Input the number of megapascals you want to convert to atmospheres.
How to Convert Megapascals to Atmospheres
The megapascal and atmosphere are both units of pressure. 1 megapascal equals 9.8692326672 atmospheres. This means to convert megapascals to atmospheres, you multiply by 9.8692326672.
Formula
Step-by-Step Example
Convert 5 MPa to atmospheres:
We need to convert megapascals to atmospheres
Since 1 MPa = 9.8692326672 atm, multiply by 9.8692326672
5 × 9.8692326672 = 49.346163336
5 MPa = 49.346163336 atm
Megapascal to Atmosphere Conversion Table
Quick reference table for common megapascal to atmosphere conversions. Click any value for detailed calculation.
| Megapascals (MPa) | Atmospheres (atm) |
|---|---|
| 1 MPa | 9.8692326672 atm |
| 2 MPa | 19.738465334 atm |
| 5 MPa | 49.346163336 atm |
| 10 MPa | 98.692326672 atm |
| 15 MPa | 148.03849001 atm |
| 20 MPa | 197.38465334 atm |
| 25 MPa | 246.73081668 atm |
| 50 MPa | 493.46163336 atm |
| 100 MPa | 986.92326672 atm |
About These Units
Megapascal (MPa)
A megapascal (MPa) equals 1,000,000 Pascals or approximately 145 PSI. Megapascals measure material strength (concrete: 20-40 MPa, steel: 250+ MPa), hydraulic systems, and high-pressure applications. One MPa equals 10 bar.
Atmosphere (atm)
One standard atmosphere (atm) equals 101,325 Pascals, 1.01325 bar, or 14.696 PSI—the average air pressure at sea level. Atmospheres measure diving depth (every 10 meters adds ~1 atm), altitude effects, and chemical reactions. Used as a reference pressure in science.
Frequently Asked Questions
How do I convert megapascals to atmospheres?
To convert megapascals to atmospheres, multiply the value by 9.8692326672. For example, 10 MPa = 98.692326672 atm.
How many atmospheres are in 1 megapascal?
1 megapascal equals 9.8692326672 atmospheres.
What is the formula for megapascals to atmospheres?
The formula is: atm = MPa × 9.8692326672.