Stones to Ounces Converter
Convert stones (st) to ounces (oz) instantly. Free calculator with formula, chart, and examples—ideal for UK body weight, recipes, and imperial weight math.
How to Convert Stones to Ounces
Multiply the number of stones by 224. One stone equals 14 pounds, and each pound has 16 ounces, so 14 × 16 = 224 ounces per stone.
Conversion Formula:
value * 224Conversion Examples
Example: 1 stone in ounces
- 1 stone = 14 pounds.
- 14 pounds × 16 ounces per pound = 224 ounces.
- 1 × 224 = 224 oz
1 stone = 224 ounces
The standard UK/imperial factor used on this page.
Example: 10 stone 7 pounds in ounces only (via stones)
- 10.5 stones (10 st 7 lb ÷ 14 lb per stone).
- 10.5 × 224 = 2,352 ounces.
10 st 7 lb ≈ 10.5 stone = 2,352 ounces
Use decimal stones when you have stones plus extra pounds.
Example: 2 stones to ounces
- 2 × 224 = 448 ounces.
2 stones = 448 ounces
Double the single-stone factor for whole multiples.
Conversion Chart
| Stones | Ounces |
|---|---|
| 0.5 | 112 |
| 1 | 224 |
| 2 | 448 |
| 3 | 672 |
| 5 | 1120 |
| 10 | 2240 |
| 15 | 3360 |
| 20 | 4480 |
| 25 | 5600 |
Conversion Formula
To convert stones to ounces:
ounces = stones × 224
Because 1 stone = 14 lb and 1 lb = 16 oz, so 14 × 16 = 224 oz per stone.
Quick Conversion Tip
Multiply stones by 224. Quick refs: 1 st = 224 oz, 5 st = 1,120 oz, 10 st = 2,240 oz.
Unit Definitions
Stone (st)
A stone is an imperial unit of mass used primarily in the UK and Ireland. One stone equals 14 pounds or 224 ounces, commonly used for body weight measurements.
1 stone = 224 ounces = 14 pounds = 6.35029 kilograms
Ounce (oz)
An ounce is an imperial unit of mass. The avoirdupois ounce, used in the United States and most countries, equals approximately 28.3495 grams.
1 ounce = 0.00446429 stones = 0.0625 pounds = 28.3495 grams
Common Use Cases
- Checking how many ounces are in your weight when a scale or app shows oz only.
- Cooking or small-batch weighing when a recipe lists ounces but you think in stone.
- Homework and exam practice for imperial unit conversion.
- Comparing UK body-weight habits (stone) with US-style ounce measurements.
Understanding the Conversion
This stones to ounces converter is built for imperial weight work—especially UK and Irish habits where people still talk in stone for body weight but need ounces for scales, shipping labels, or recipe-style precision.
The math is fixed: 1 stone = 224 ounces (14 lb × 16 oz). Type any stone value above and you get ounces immediately, plus a conversion chart for common stone amounts. See the FAQ section below for quick answers.
FAQs
How many ounces are in one stone?
Exactly 224 ounces. That comes from 1 stone = 14 pounds and 1 pound = 16 ounces.
How do I convert stones to ounces?
Multiply stones by 224. Example: 3 stone × 224 = 672 ounces.
Is a stone the same in the US and UK?
The stone (14 lb) is mainly used in the UK and Ireland for body weight. It is not commonly used for everyday weight in the US.
What is 12 stone in ounces?
12 × 224 = 2,688 ounces.