lb vers oz convertisseur - Livre vers Once

Conversion derivation

Express both lb and oz 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 oz in the base unit

   $$1\mathrm{oz}=0.0283495231\mathrm{kg}$$
3. 3

   Forward conversion

   $$\begin{array}{rl}1\mathrm{lb}& =\frac{0.45359237\cancel{\mathrm{kg}}}{0.0283495231\cancel{\mathrm{kg}}}\times 1\mathrm{oz}\\ & =\frac{0.45359237}{0.0283495231}\mathrm{oz}\\ & =16.0000000141\mathrm{oz}\end{array}$$
4. 4

   Reverse conversion

   $$\begin{array}{rl}1\mathrm{oz}& =\frac{0.0283495231\cancel{\mathrm{kg}}}{0.45359237\cancel{\mathrm{kg}}}\times 1\mathrm{lb}\\ & =\frac{0.0283495231}{0.45359237}\mathrm{lb}\\ & =0.062499999945\mathrm{lb}\end{array}$$