How to Convert MPa to N/mm^2

Written by michael keenan
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How to Convert MPa to N/mm^2
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Pressure measures the amount of force pushing against something perpendicularly, such as the amount of force a gas applies to the inner wall of tires. Pressure is measured using a variety of units, including megapascals (MPa) and Newtons per square millimetre (N/mm^2). You may need to convert from megapascals if you are filling a tire with air and the tire lists the needed pressure in MPa but your pump measures pressure in N/mm^2. Since the conversion factor equals one MPa to one N/mm^2, the conversion between units is easy.

Skill level:


  1. 1

    Multiply the number of MPa by 1,000,000 to convert to Pascals. The prefix "M" in the metric system stands for "mega-," representing 1,000,000. For example, 2 MPa equals 2,000,000 Pa.

  2. 2

    Switch the units from Pa to N/m^2 (Newtons per meter squared) because these two units are equivalent. In this example, 2,000,000 Pa would become 2,000,000 N/m^2.

  3. 3

    Divide the number of N/m^2 by 1,000,000 to find the pressure in N/mm^2, since there are 1,000,000mm in one meter. In the example, divide 2,000,000 N/m^2 by 1,000,000 to get 2 N/mm^2.

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