Pounds to Ounces Converter
Quick answer: To convert pounds to ounces, multiply by 16. For example, 10 lb is 160 oz. One pound equals 16 oz.
- Calculator
- Formula
- Examples
- Size compared
- About the units
- Where used
- Step by step
- Popular conversions
- Reading your result
- Mistakes
- FAQ
- Related tools
- Method
Use the Pounds to Ounces Converter
Pounds to Ounces formula and what each symbol means
oz = lb × 16
| Symbol | Meaning |
|---|---|
| lb | Pound |
| oz | Ounce |
Pounds to Ounces examples
1 lb
1 lb × 16 = 16 oz.
10 lb
10 lb × 16 = 160 oz.
100 lb
100 lb × 16 = 1,600 oz.
Pounds compared with Ounces
One lb is 16 times as large as one oz, so your number gets bigger when you convert pounds to ounces and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About pounds and ounces
Pound (lb): The avoirdupois pound, exactly 0.45359237 kilograms. Ounce (oz): The avoirdupois ounce, exactly one sixteenth of a pound.
Where pounds to ounces conversions are used
Shipping rates and freight use kilograms or tonnes, while US retail packaging often shows pounds and ounces. Gym plates, luggage allowances and medical dosing by body mass all need a quick, correct mass conversion.
How to calculate Pounds to Ounces step by step
- Enter the value in lb (the starting unit).
- Multiply by 16, because 1 lb = 16 oz.
- The product is the value in oz. To go back, divide by 16 or multiply by 0.0625.
Popular weight and mass conversions
How to read your Pounds to Ounces result
In everyday use the two are treated as the same on Earth, and these converters work on mass.
| POUNDS | OUNCES |
|---|---|
| 1 | 16 |
| 2 | 32 |
| 5 | 80 |
| 10 | 160 |
| 20 | 320 |
| 50 | 800 |
| 100 | 1,600 |
| 1,000 | 16,000 |
Ounces to Pounds: quick table
| OUNCES | POUNDS |
|---|---|
| 1 | 0.0625 |
| 5 | 0.3125 |
| 10 | 0.625 |
| 25 | 1.5625 |
| 50 | 3.125 |
| 100 | 6.25 |
| 250 | 15.625 |
| 500 | 31.25 |
Common mistakes when calculating Pounds to Ounces
- Treating a troy ounce as the same as an avoirdupois ounce: this tool uses the avoirdupois ounce (28.349523125 g).
- Dividing when you should multiply: from lb to oz multiply by 16; from oz to lb divide by 16.
Pounds to Ounces FAQ
How many oz are in 1 lb?
1 lb equals 16 oz.
How many lb are in 1 oz?
1 oz equals 0.0625 lb.
Is 1 lb = 16 oz an exact conversion?
Yes. The pound and the ounce are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 16 is just that ratio shown to 7 significant figures.
What is an ounce (oz)?
The avoirdupois ounce, exactly one sixteenth of a pound.
How can I estimate pounds to ounces in my head?
One lb is 16 times as large as one oz, so your number gets bigger when you convert pounds to ounces and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
What is 7 lb in ounces?
7 lb = 112 oz (since 7 × 16).
What is 40 lb in ounces?
40 lb = 640 oz (since 40 × 16).
What is 200 lb in ounces?
200 lb = 3,200 oz (since 200 × 16).
How many decimals should I keep when converting lb to oz?
Match the precision of your original measurement. For example, 160 oz rounds to 160 oz at 3 significant figures; keep more digits only for engineering or scientific work.
More in Weight and Mass converters
- Tonnes to KG Converter
- Pounds to Grams Converter
- Tonnes to MG Converter
- Ounces to Tonnes Converter
- Tonnes to Ounces Converter
- Tonnes to Pounds Converter
See all weight and mass converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI base units