kPa vers mmHg convertisseur - Kilopascal vers Millimètres de Mercure

Conversion derivation

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

1. 1

   Rewrite kPa in the base unit

   $$1\mathrm{kPa}=1,000\mathrm{Pa}$$
2. 2

   Rewrite mmHg in the base unit

   $$1\mathrm{mmHg}=133.322\mathrm{Pa}$$
3. 3

   Forward conversion

   $$\begin{array}{rl}1\mathrm{kPa}& =\frac{1,000\cancel{\mathrm{Pa}}}{133.322\cancel{\mathrm{Pa}}}\times 1\mathrm{mmHg}\\ & =\frac{1,000}{133.322}\mathrm{mmHg}\\ & =7.50063755419\mathrm{mmHg}\end{array}$$
4. 4

   Reverse conversion

   $$\begin{array}{rl}1\mathrm{mmHg}& =\frac{133.322\cancel{\mathrm{Pa}}}{1,000\cancel{\mathrm{Pa}}}\times 1\mathrm{kPa}\\ & =\frac{133.322}{1,000}\mathrm{kPa}\\ & =0.133322\mathrm{kPa}\end{array}$$