Pounds to Ounces Conversion: Chart, Formula, and Calculator
There are exactly 16 ounces in a pound. Here's the formula, a full conversion chart from 0.25 lb to 20 lb, and the most common conversions for cooking, shipping, and food labels.
The Pounds to Ounces Formula
The conversion between pounds and ounces is exact: 1 pound = 16 ounces. To convert any number of pounds to ounces, multiply by 16.
Ounces = Pounds × 16
To go the other way — ounces to pounds — divide by 16. For example, 24 ounces ÷ 16 = 1.5 pounds.
Use the free Pounds to Ounces Calculator at BetterCalculators for instant results with any value.
Common Pounds-to-Ounces Conversions
- 0.5 lb in ounces: 0.5 × 16 = 8 oz — half a pound, common for deli meats and cheeses
- 1 lb in ounces: 1 × 16 = 16 oz — one full pound
- 1.5 lb in ounces: 1.5 × 16 = 24 oz
- 2 lb in ounces: 2 × 16 = 32 oz — common for butter blocks and coffee bags
- 2.5 lb in ounces: 2.5 × 16 = 40 oz
- 3 lb in ounces: 3 × 16 = 48 oz
- 5 lb in ounces: 5 × 16 = 80 oz — typical bag of flour or sugar
- 10 lb in ounces: 10 × 16 = 160 oz
Pounds to Ounces Conversion Chart
| Pounds (lb) | Ounces (oz) |
|---|---|
| 0.25 | 4 |
| 0.5 | 8 |
| 0.75 | 12 |
| 1 | 16 |
| 1.25 | 20 |
| 1.5 | 24 |
| 1.75 | 28 |
| 2 | 32 |
| 2.5 | 40 |
| 3 | 48 |
| 3.5 | 56 |
| 4 | 64 |
| 4.5 | 72 |
| 5 | 80 |
| 6 | 96 |
| 7 | 112 |
| 8 | 128 |
| 9 | 144 |
| 10 | 160 |
| 12 | 192 |
| 14 | 224 |
| 15 | 240 |
| 16 | 256 |
| 18 | 288 |
| 20 | 320 |
Practical Uses for Pounds-to-Ounces Conversion
- Cooking and baking: Many US recipes list ingredients in ounces, but grocery products are labelled in pounds. Knowing that a 2 lb bag of flour is 32 oz lets you scale recipes accurately without a kitchen scale.
- Food labels: Nutrition facts panels on US food packaging list serving sizes and package weights in both ounces and grams. A 1 lb package is 16 oz — useful for portioning.
- Shipping and postage: USPS, UPS, and FedEx rate parcels by weight. The first-class mail limit is 13 oz (just under 1 lb). Knowing your package weight in ounces helps select the right service and estimate cost.
- Baby and pet weights: Newborn weights and small pet weights are often tracked in ounces for precision. A baby weighing 7 lb 4 oz weighs 116 oz total.
- Precious metals and supplements: Gold, silver, and some supplements are sold by the troy ounce (31.1 g), which is different from the avoirdupois ounce (28.35 g) used for everyday weights. The standard conversion here applies to avoirdupois ounces.
Ounces vs. Fluid Ounces
A common source of confusion: ounces (oz) measure weight, while fluid ounces (fl oz) measure volume. They are not the same unit and should not be used interchangeably.
Water happens to be close — 1 fluid ounce of water weighs approximately 1.04 ounces by weight — but for denser or lighter liquids (oil, honey, cream), the values diverge significantly. This chart and calculator apply to weight ounces only.
Pounds to Ounces Calculator
For values not in the chart above, the free Pounds to Ounces Calculator at BetterCalculators converts any weight instantly — including decimals and fractions of a pound.
Convert any weight in pounds to ounces instantly.
Pounds to Ounces Calculator →