lb vers ct convertisseur - Livre vers Carat

Conversion derivation

Express both lb and ct in the same base unit kg (kilogram), then cancel the shared base unit.

1. 1

   Rewrite lb in the base unit

   $$1\mathrm{lb}=0.45359237\mathrm{kg}$$
2. 2

   Rewrite ct in the base unit

   $$1\mathrm{ct}=0.0002\mathrm{kg}$$
3. 3

   Forward conversion

   $$\begin{array}{rl}1\mathrm{lb}& =\frac{0.45359237\cancel{\mathrm{kg}}}{0.0002\cancel{\mathrm{kg}}}\times 1\mathrm{ct}\\ & =\frac{0.45359237}{0.0002}\mathrm{ct}\\ & =2,267.96185\mathrm{ct}\end{array}$$
4. 4

   Reverse conversion

   $$\begin{array}{rl}1\mathrm{ct}& =\frac{0.0002\cancel{\mathrm{kg}}}{0.45359237\cancel{\mathrm{kg}}}\times 1\mathrm{lb}\\ & =\frac{0.0002}{0.45359237}\mathrm{lb}\\ & =0.000440924524\mathrm{lb}\end{array}$$