week vers s convertisseur - Semaine vers Seconde

Conversion derivation

Express both week and s 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 s in the base unit

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

   Forward conversion

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

   Reverse conversion

   $$\begin{array}{rl}1\mathrm{s}& =\frac{1\cancel{\mathrm{s}}}{604,800\cancel{\mathrm{s}}}\times 1\mathrm{week}\\ & =\frac{1}{604,800}\mathrm{week}\\ & =0.000001653439\mathrm{week}\end{array}$$