week vers ms convertisseur - Semaine vers Milliseconde

Conversion derivation

Express both week and ms in the same base unit s (second), then cancel the shared base unit.

1. 1

   Rewrite week in the base unit

   $$1\mathrm{week}=604,800\mathrm{s}$$
2. 2

   Rewrite ms in the base unit

   $$1\mathrm{ms}=0.001\mathrm{s}$$
3. 3

   Forward conversion

   $$\begin{array}{rl}1\mathrm{week}& =\frac{604,800\cancel{\mathrm{s}}}{0.001\cancel{\mathrm{s}}}\times 1\mathrm{ms}\\ & =\frac{604,800}{0.001}\mathrm{ms}\\ & =604,800,000\mathrm{ms}\end{array}$$
4. 4

   Reverse conversion

   $$\begin{array}{rl}1\mathrm{ms}& =\frac{0.001\cancel{\mathrm{s}}}{604,800\cancel{\mathrm{s}}}\times 1\mathrm{week}\\ & =\frac{0.001}{604,800}\mathrm{week}\\ & =1.65343915\times 10^{-9}\mathrm{week}\end{array}$$