Convert Ounce to Pound
Unit definitions
Ounce
$\frac{1}{16}$ of a pound is an ounce. It is also known as the avoirdupois ounce.
Pound
$453.592\,37$ grams is a pound. It is also known as the avoirdupois pound.
How to convert Ounce to Pound
$$\text{Mass}_{\text{lb}} = \frac{\text{Mass}_{\text{oz}}}{16}$$
Examples
Example 1
Convert $45.0\ \text{oz}$ to $\text{lb}$.
$$\text{Mass}_{\text{lb}} = \frac{45.0}{16}$$
$$\text{Mass}_{\text{lb}} = 2.8125$$
$$\therefore \ 45.0\ \text{oz} = 2.8125 \ \text{lb}$$
Example 2
Convert $70.0\ \text{oz}$ to $\text{lb}$.
$$\text{Mass}_{\text{lb}} = \frac{70.0}{16}$$
$$\text{Mass}_{\text{lb}} = 4.375$$
$$\therefore \ 70.0\ \text{oz} = 4.375 \ \text{lb}$$
Example 3
Convert $100.0\ \text{oz}$ to $\text{lb}$.
$$\text{Mass}_{\text{lb}} = \frac{100.0}{16}$$
$$\text{Mass}_{\text{lb}} = 6.25$$
$$\therefore \ 100.0\ \text{oz} = 6.25 \ \text{lb}$$
Example 4
Convert $145.0\ \text{oz}$ to $\text{lb}$.
$$\text{Mass}_{\text{lb}} = \frac{145.0}{16}$$
$$\text{Mass}_{\text{lb}} = 9.0625$$
$$\therefore \ 145.0\ \text{oz} = 9.0625 \ \text{lb}$$
Example 5
Convert $200.0\ \text{oz}$ to $\text{lb}$.
$$\text{Mass}_{\text{lb}} = \frac{200.0}{16}$$
$$\text{Mass}_{\text{lb}} = 12.5$$
$$\therefore \ 200.0\ \text{oz} = 12.5 \ \text{lb}$$