How to convert ounces to stone
To convert ounces to stone, multiply by 0.00446428571429. Weight and mass conversions matter for cooking, shipping, fitness tracking, medicine and trade.
Ounce to Stone conversion table
| Ounce (oz) | Stone (st) |
|---|---|
| 0.1 oz | 0.000446428571429 st |
| 0.5 oz | 0.00223214285714 st |
| 1 oz | 0.00446428571429 st |
| 2 oz | 0.00892857142857 st |
| 3 oz | 0.0133928571429 st |
| 4 oz | 0.0178571428571 st |
| 5 oz | 0.0223214285714 st |
| 10 oz | 0.0446428571429 st |
| 20 oz | 0.0892857142857 st |
| 25 oz | 0.111607142857 st |
| 50 oz | 0.223214285714 st |
| 100 oz | 0.446428571429 st |
| 500 oz | 2.23214285714 st |
| 1,000 oz | 4.46428571429 st |
About the units
Ounce (oz)
An avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams, used for food portions and postage.
Stone (st)
A stone equals 14 pounds (6.35029318 kg) and is still used in the UK and Ireland for body weight.
How to use this converter
- Type the number of ounces (oz) in the input box.
- The result in stone appears instantly — no button needed.
- See the same value in every other weight unit just below.
- Use “Swap units” to convert stone back to ounces.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many stone are in one ounce?
One ounce equals 0.00446428571429 stone. 0.00446428571429 is the exact factor used by this converter.
How do I convert ounces to stone?
Multiply the value in ounces by 0.00446428571429. To go the other way, multiply stone by 224.
What is 10 oz in st?
10 oz = 0.0446428571429 st. Also, 5 oz = 0.0223214285714 st and 100 oz = 0.446428571429 st.
What is the difference between a ounce and a stone?
An avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams, used for food portions and postage. A stone equals 14 pounds (6.35029318 kg) and is still used in the UK and Ireland for body weight.
Is this tool free and private?
Yes — the Ounce to Stone is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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