atm vers MPa convertisseur - Atmosphère Standard vers Mégapascal

Conversion derivation

Express both atm and MPa in the same base unit Pa (pascal), then cancel the shared base unit.

1. 1

   Rewrite atm in the base unit

   $$1\mathrm{atm}=101,325\mathrm{Pa}$$
2. 2

   Rewrite MPa in the base unit

   $$1\mathrm{MPa}=1,000,000\mathrm{Pa}$$
3. 3

   Forward conversion

   $$\begin{array}{rl}1\mathrm{atm}& =\frac{101,325\cancel{\mathrm{Pa}}}{1,000,000\cancel{\mathrm{Pa}}}\times 1\mathrm{MPa}\\ & =\frac{101,325}{1,000,000}\mathrm{MPa}\\ & =0.101325\mathrm{MPa}\end{array}$$
4. 4

   Reverse conversion

   $$\begin{array}{rl}1\mathrm{MPa}& =\frac{1,000,000\cancel{\mathrm{Pa}}}{101,325\cancel{\mathrm{Pa}}}\times 1\mathrm{atm}\\ & =\frac{1,000,000}{101,325}\mathrm{atm}\\ & =9.86923266716\mathrm{atm}\end{array}$$