Pounds to Ounces Conversion Calculator

Enter the weight in pounds below to get the value converted to ounces.

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Pounds & Ounces

Pounds:

Ounces:

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Results in Ounces:

1 lb = 16 oz

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How to Convert Pounds to Ounces

conversion scale showing pounds and equivalent ounces weight values

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To convert a pound measurement to an ounce measurement, multiply the weight by the conversion ratio. One pound is equal to 16 ounces, so use this simple formula to convert:

ounces = pounds × 16

The weight in ounces is equal to the pounds multiplied by 16.

For example, here's how to convert 5 pounds to ounces using the formula above.

5 lb = (5 × 16) = 80 oz

infographic showing how to convert pounds to ounces

Pounds and ounces are both units used to measure weight. Keep reading to learn more about each unit of measure.

What is a Pound?

One pound is defined as a unit of mass/weight equal to 16 ounces, or 0.45359237 kilograms. One pound is equal to 7,000 grains in the avoirdupois or apothecaries' systems.^[1]

The pound is a US customary and imperial unit of weight. A pound is sometimes also referred to as a common ounce. Pounds can be abbreviated as lb, and are also sometimes abbreviated as lbs, lb_m, or #. For example, 1 pound can be written as 1 lb, 1 lbs, 1 lb_m, or 1 #.

What is an Ounce?

One ounce is a unit of mass/weight equal to 1/16 of a pound. The common ounce should not be confused with the troy ounce, which is equal to 1/12 of a troy pound.^[2]

The ounce is a US customary and imperial unit of weight. Ounces can be abbreviated as oz, for example 1 ounce can be written as 1 oz.

Pound to Ounce Conversion Table

Pound measurements converted to ounces
Pounds	Ounces
1 lb	16 oz
2 lb	32 oz
3 lb	48 oz
4 lb	64 oz
5 lb	80 oz
6 lb	96 oz
7 lb	112 oz
8 lb	128 oz
9 lb	144 oz
10 lb	160 oz
11 lb	176 oz
12 lb	192 oz
13 lb	208 oz
14 lb	224 oz
15 lb	240 oz
16 lb	256 oz
17 lb	272 oz
18 lb	288 oz
19 lb	304 oz
20 lb	320 oz
21 lb	336 oz
22 lb	352 oz
23 lb	368 oz
24 lb	384 oz
25 lb	400 oz
26 lb	416 oz
27 lb	432 oz
28 lb	448 oz
29 lb	464 oz
30 lb	480 oz
31 lb	496 oz
32 lb	512 oz
33 lb	528 oz
34 lb	544 oz
35 lb	560 oz
36 lb	576 oz
37 lb	592 oz
38 lb	608 oz
39 lb	624 oz
40 lb	640 oz

References

Encyclopædia Britannica, Avoirdupois weight, https://www.britannica.com/science/avoirdupois-weight
James Bucki, Troy Ounce vs. Ounce, The Spruce, https://www.thesprucecrafts.com/troy-ounce-vs-ounce-4588158