3 lb = 48 oz (pound → ounce)
3 lb = 48 oz
3 pounds (lb) equals 48 ounces (oz). The conversion uses the exact factor 16: 3 × 16 = 48.
Ounces = Pounds × 16How 3 pounds compares to its arithmetic neighbours, converted to ounces.
| Relation | pounds | ounces |
|---|---|---|
| ÷10 | 0.3 lb | 4.8 oz |
| ÷2 (half) | 1.5 lb | 24 oz |
| ×1 (this value) | 3 lb | 48 oz |
| ×2 (double) | 6 lb | 96 oz |
| ×5 | 15 lb | 240 oz |
| ×10 | 30 lb | 480 oz |
Pounds to ounces multiplies by 16 — 1 lb = 16 oz avoirdupois by definition. The factor of 16 makes mental math easier than the metric equivalents: 2.5 lb is 40 oz, 0.75 lb is 12 oz. Beware troy ounces (used for gold and silver): 1 troy lb = 12 troy oz, not 16, and 1 troy oz = 31.1035 g compared with 28.35 g for the everyday avoirdupois ounce.
Recipe scaling in the US runs on this constantly when a bulk pound-based ingredient purchase needs to be portioned into ounce-sized servings — 1 lb is 16 oz, 2.5 lb is 40 oz, and 0.75 lb is 12 oz. Because the ratio is a flat 16, this is the one weight conversion most American home cooks do by mental arithmetic rather than reaching for an app, doubling or halving from the familiar whole-pound benchmarks.
Start with your value in pounds.
Multiply the pound value by 16. This is the exact conversion factor from pounds to ounces.
The product is your value in ounces. For example, 5 lb × 16 = 80 oz.
The exact factor from pounds to ounces is 16.
Ounces = Pounds × 16
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| 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 |
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.
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 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).
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