Reference for one unit; displayed values may be rounded.
Pounds
Use a dot or comma for decimals, without thousands separators.
Ounces
Display rounding does not improve the accuracy of your original measurement. Very large or very small results use scientific notation.
Method and sourcelb to oz Conversion Formula
To convert pounds to ounces, multiply the pound value by 16. One avoirdupois pound is defined as exactly 16 ounces — a clean whole-number ratio unique among everyday imperial conversions.
Pounds and Ounces Explained
Pounds (lb)
A pound (lb) is the primary everyday weight unit of the US customary and imperial systems, legally defined as exactly 0.45359237 kg. It divides into 16 ounces and aggregates by 14 into a stone. The pound covers the working range of American life: a 0.5 lb stick of butter, a 5 lb bag of flour, a 50 lb suitcase, and a 150 lb adult all live naturally in pounds, which is why it survives beside metric units in US commerce.
Where it is used: Pounds are the default for body weight, groceries, parcels, and gym weights in the United States, with lingering use in the UK, Canada, and Australia.
Origin: Named from the Roman libra (source of the lb symbol), the pound was consolidated into the international avoirdupois standard of exactly 0.45359237 kg by agreement in 1959.
Ounces (oz)
An ounce (oz) is the smallest commonly used weight unit in the US customary system, defined as one sixteenth of a pound — exactly 28.3495 g. It is the unit of fine everyday measures: a slice of bread at 1 oz, a stick of butter at 4 oz, a can of tuna at 5 oz, and an American football at 15 oz. Deli orders, coffee grinds, snack packs, and first-class letters are all portioned in ounces where pounds would be too coarse.
Where it is used: Ounces are used across the United States for packaged food, postal rates, deli counters, and recipes, and they linger on UK and Canadian labels beside grams.
Origin: The ounce comes from the Roman uncia, one twelfth of a libra. Medieval English trade fixed 16 ounces to the avoirdupois pound, and the 1959 international agreement set the ounce at exactly 28.349523125 g.
Pounds to Ounces Conversion Table
Select a value to use it in the calculator.
| Pounds (lb) | Ounces (oz) |
|---|---|
| 2.0000016314 oz | |
| 4.0000032628 oz | |
| 8.0000065257 oz | |
| 12.0000097885 oz | |
| 16.0000130514 oz | |
| 20.0000163142 oz | |
| 24.0000195771 oz | |
| 32.0000261028 oz | |
| 40.0000326284 oz | |
| 48.0000391541 oz | |
| 64.0000522055 oz | |
| 80.0000652569 oz | |
| 96.0000783083 oz | |
| 128.000104411 oz | |
| 160.0001305138 oz |
Ounces to Pounds Conversion Table
| Ounces (oz) | Pounds (lb) |
|---|---|
| 0.5 oz | 0.0312499745 lb |
| 1 oz | 0.062499949 lb |
| 2 oz | 0.124999898 lb |
| 4 oz | 0.2499997961 lb |
| 6 oz | 0.3749996941 lb |
| 8 oz | 0.4999995921 lb |
| 12 oz | 0.7499993882 lb |
| 16 oz | 0.9999991843 lb |
| 20 oz | 1.2499989804 lb |
| 24 oz | 1.4999987764 lb |
| 32 oz | 1.9999983686 lb |
| 48 oz | 2.9999975529 lb |
Pounds to Ounces in Everyday Objects
Common real-world examples that make Pounds and Ounces easy to picture at a glance.
| Pounds (lb) | Ounces (oz) | |
|---|---|---|
| A slice of sandwich bread | 0.062499949 lb | 1 oz |
| A stick of butter | 0.2499997961 lb | 4 oz |
| A can of tuna | 0.3124997451 lb | 5 oz |
| An American football | 0.9374992353 lb | 15 oz |
| A basketball | 1.3749988784 lb | 22 oz |
| A house cat | 10 lb | 160.0001305138 oz |
When You Need Pounds to Ounces Conversions
Ordering at the Deli Counter
Counter staff ask in ounces, package labels print pounds. Requesting 12 oz of turkey matches a 0.75 lb package price-for-price, and comparing unit costs takes one conversion.
Recording Newborn Weights
US birth certificates log pounds and ounces together. Converting the 7 lb of a 7 lb 11 oz newborn to 112 oz and adding 11 gives the 123 oz total feeding-tracker apps expect.
Scaling Restaurant Recipes
Professional cookbooks list proteins in pounds but scale batches in ounces. A 4 lb cheese order is 64 oz — dividing by 8 oz portions instantly yields eight servings.
Portioning Pet Food
Feeding guides quote daily ounces while bags are sold in pounds. A 10 lb kibble bag holds 160 oz, so a 5 oz daily ration lasts exactly 32 days.
Related Weight Conversions
How to Use
-
1
Enter Your Weight in Pounds
Type the pound value — for example, enter 0.75 for the three-quarter pound of roast beef a deli sandwich recipe calls for
-
2
See the Ounce Equivalent
The result appears instantly: 0.75 lb = 12 oz, the number to ask for at the counter
-
3
Copy or Reverse
Copy the result or click Swap to convert ounces back to pounds
-
4
Check the Table
Browse the conversion table for common values like 0.25 lb = 4 oz or 5 lb = 80 oz
Why Use Be Converter?
Instant Conversion
Get exact pound to ounce results in real-time as you type — enter 0.75 for a three-quarter-pound burger and see 12 oz immediately
Exact by Definition
1 lb is exactly 16 oz by definition, so every result is a clean multiple — no repeating decimals like metric-imperial conversions produce
Deli and Kitchen Reference
Common purchase weights at a glance — from 0.125 lb (2 oz) to 10 lb — covering cheese wheels, roasts, and bulk buys
Swap with One Click
Toggle between lb and oz instantly — ideal when a recipe gives ounces but the package label reads pounds
Free & Unlimited
No registration required. Convert as many weights as you need, from spice jars to Thanksgiving turkeys — always free
Completely Private
All calculations run locally in your browser. Your shopping and recipe data never leaves your device
Frequently Asked Questions
How many ounces are in 1 pound?
How do I convert pounds to ounces?
What is 0.25 lb in ounces?
Why are there 16 ounces in a pound?
How many ounces in a pound of meat?
What is 2.25 lb in ounces?
Is 8 oz the same as half a pound?
How many ounces is a 7 lb 8 oz newborn?
About Pounds to Ounces Converter
Our free online pounds to ounces converter provides instant, exact conversions inside the US customary system. Whether you are ordering at a deli counter, recording a newborn weight, scaling a restaurant recipe, or checking pet-food portions, this tool delivers clean whole-number results. The pound divides into exactly 16 ounces — the same system that prices cheese per pound but slices it per ounce and logs birth weights in pounds plus ounces. Our converter applies that exact 1 lb = 16 oz definition with no rounding.
Expert Tips for lb to oz Conversion
Memorize the deli fractions: 0.25 lb = 4 oz, 0.375 lb = 6 oz, 0.5 lb = 8 oz, 0.75 lb = 12 oz. Nearly every counter order falls on one of these marks.
Newborn weights mix the units by tradition. Convert the pounds first (7 lb = 112 oz) and add the ounce remainder — 7 lb 8 oz totals 120 oz for hospital charts.
Bakers scale in ounces even when recipes list pounds: a 2 lb flour requirement is 32 oz, and dividing by a 4 oz cup equivalent keeps portioning consistent.
Pet food feeding guides switch between units. A daily 12 oz ration for a large dog is 0.75 lb, so a 20 lb bag lasts about 26 days — plan subscriptions accordingly.
Freight invoices charge per ounce on small parcels. A 1.5 lb package is 24 oz; multiplying by the per-ounce rate beats estimating from the pound line.
Professional-grade conversion tools for length, weight, area, volume, temperature, pressure, speed, time, and energy measurements