Conversions

Megapascals to Standard atmospheres

Convert megapascals to standard atmospheres (MPa to atm). 1 MPa = 9.86923266716 atm. Use the calculator, formula and conversion table.

A quick reference1 MPa = 9.86923266716 atm
Standard atmospheres to Megapascals
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How to convert megapascals to standard atmospheres

Multiply the amount in megapascals by 9.86923266716 to get standard atmospheres. The displayed factor and results are rounded to 12 significant digits.

atm = MPa × 9.86923266716

Worked example

1 MPa = 9.86923266716 atm. Change the amount in the calculator above to use your own value.

Units and assumptions

Uses pascals as the base unit. One standard atmosphere is 101,325 Pa and one bar is 100,000 Pa. Results are rounded for display.

Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.

Megapascals to Standard atmospheres table

Common values, rounded for display
Megapascals (MPa)Standard atmospheres (atm)
00
19.86923266716
549.3461633358
1098.6923266716
25246.730816679
100986.923266716
1,0009,869.23266716

About this conversion

What is the formula for megapascals to standard atmospheres?

atm = MPa × 9.86923266716. Multiply the amount in megapascals by 9.86923266716 to get standard atmospheres. The displayed factor and results are rounded to 12 significant digits.

How do I convert back to megapascals?

Use the standard atmospheres to megapascals calculator to reverse this conversion. You can also use Swap units in the calculator above.

Can I use a different pair of units?

Choose another unit in the calculator, or open the pressure converter to browse all supported pairs.

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