Ounces to Pounds Converter

About the oz to lb calculation

One ounce is exactly 0.0625 pounds, so converting between them is a single multiplication. Enter any value above and the result updates as you type. Common in US recipes and for postal weights. Not the same as a fluid ounce. The everyday US weight unit. Defined as exactly 0.45359237 kg since 1959.

Formula

lb = oz × 0.0625

1 oz = 0.0625 lb
1 lb = 16 oz

Worked example

To convert 16 oz, multiply by 0.0625: 16 × 0.0625 = 1 lb.

Frequently asked questions

How many pounds are in a ounce?

There are 0.0625 pounds in one ounce. To convert any amount, multiply the number of ounces by 0.0625.

How do I convert pounds back to ounces?

Divide instead of multiplying, or equivalently multiply by 16. One pound is 16 ounces.

Is this conversion exact?

Yes. Since the international agreement of 1959, the relationship between ounces and pounds is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.

Where is each of these units used?

Ounces: common in US recipes and for postal weights. Not the same as a fluid ounce. Pounds: the everyday US weight unit. Defined as exactly 0.45359237 kg since 1959.

Sources

• NIST Special Publication 811 — Guide for the Use of the International System of Units