1 pound equals 16 ounces. To convert pounds to ounces, multiply the pound value by 16. For quick reference: 1 lb = 16 oz, 5 lb = 80 oz, 10 lb = 160 oz, 100 lb = 1600 oz.
FormulaOunces = Pounds × 16
Quick
How to convert pounds to ounces
1
Take your value
Start with your value in pounds.
2
Multiply by 16
Multiply the pound value by 16. This is the exact conversion factor from pounds to ounces.
3
Read the result
The product is your value in ounces. For example, 5 lb × 16 = 80 oz.
Conversion formula
The exact factor from pounds to ounces is 16.
Ounces = Pounds × 16
Pounds to Ounces conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
Conversion table from pounds to ounces
Pounds (lb)
Ounces (oz)
0.1 lb
1.6 oz
0.25 lb
4 oz
0.5 lb
8 oz
1 lb
16 oz
1.5 lb
24 oz
2 lb
32 oz
2.5 lb
40 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
12 lb
192 oz
15 lb
240 oz
18 lb
288 oz
20 lb
320 oz
25 lb
400 oz
30 lb
480 oz
35 lb
560 oz
40 lb
640 oz
45 lb
720 oz
50 lb
800 oz
60 lb
960 oz
70 lb
1120 oz
75 lb
1200 oz
80 lb
1280 oz
90 lb
1440 oz
100 lb
1600 oz
120 lb
1920 oz
125 lb
2000 oz
150 lb
2400 oz
175 lb
2800 oz
180 lb
2880 oz
200 lb
3200 oz
225 lb
3600 oz
250 lb
4000 oz
275 lb
4400 oz
300 lb
4800 oz
350 lb
5600 oz
400 lb
6400 oz
450 lb
7200 oz
500 lb
8000 oz
600 lb
9600 oz
750 lb
12000 oz
1000 lb
16000 oz
2000 lb
32000 oz
5000 lb
80000 oz
Real-world reference
A loaf of bread is about 1 lb. A standard bag of sugar is 5 lb. In ounces, that gives you: 1 lb = 16 oz, 10 lb = 160 oz, 100 lb = 1600 oz.
Frequently asked questions
How many ounces are in 1 pound?
1 pound equals 16 ounces.
How do I convert pounds to ounces?
Multiply the pound value by 16. So x lb × 16 = the equivalent in oz.
What is 5 pounds in ounces?
5 pounds equals 80 ounces.
What is 10 pounds in ounces?
10 pounds equals 160 ounces.
What is 100 pounds in ounces?
100 pounds equals 1600 ounces.
How do I convert back from ounces to pounds?
Multiply the ounce value by 0.0625. For example, 1 oz = 0.0625 lb.
Is the pound bigger than the ounce?
Yes. 1 pound is larger than 1 ounce — specifically 16 times larger.
Are these conversion factors exact?
Yes. Since the 1959 international yard and pound agreement, imperial/US units are defined exactly in terms of metric units, so the factor used here (16) is exact within IEEE 754 double precision.
About the pound and the ounce
The pound
The international avoirdupois pound (lb) is a unit of mass in the imperial and US customary systems, defined as exactly 0.45359237 kilograms since the 1959 international yard and pound agreement. It is the everyday unit for body weight, groceries, and shipping in the United States. Sixteen ounces make one pound; fourteen pounds make one stone in British usage.
The ounce
The avoirdupois ounce (oz) is a unit of mass in the imperial and US customary systems, defined as exactly 28.349523125 grams (1/16 of an avoirdupois pound). It is the standard small-mass unit in the United States for food packaging, recipes, and postal weights. Do not confuse it with the troy ounce (used for precious metals, 31.1035 g) or the fluid ounce (a volume).