Convert Ounces to Stone
One ounce equals 0.00446429 stone. Type any value to convert ounces to stone instantly — with a full reference table below.
Convert Ounces to Stone
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How to convert Ounces to Stone
To convert ounces to stone, multiply by 0.00446429. One ounce equals 0.00446429 st, and one stone equals 224 oz.
- Take the value in ounces — for example 7.5 oz.
- Multiply by 0.00446429 (the number of stone in one ounce).
- 7.5 × 0.00446429 = 0.0334821 st.
Quick mental estimate: Divide the number of ounces by 224 — that is exact.
Ounces to Stone conversion table
| Ounces | Stone |
|---|---|
| 1 oz | 0.00446429 st |
| 2 oz | 0.00892857 st |
| 3 oz | 0.0133929 st |
| 4 oz | 0.0178571 st |
| 5 oz | 0.0223214 st |
| 6 oz | 0.0267857 st |
| 7 oz | 0.03125 st |
| 8 oz | 0.0357143 st |
| 9 oz | 0.0401786 st |
| 10 oz | 0.0446429 st |
| 12 oz | 0.0535714 st |
| 15 oz | 0.0669643 st |
| 20 oz | 0.0892857 st |
| 25 oz | 0.111607 st |
| 50 oz | 0.223214 st |
| 100 oz | 0.446429 st |
| Stone | Ounces |
|---|---|
| 1 st | 224 oz |
| 2 st | 448 oz |
| 3 st | 672 oz |
| 4 st | 896 oz |
| 5 st | 1,120 oz |
| 6 st | 1,344 oz |
| 7 st | 1,568 oz |
| 8 st | 1,792 oz |
| 9 st | 2,016 oz |
| 10 st | 2,240 oz |
| 12 st | 2,688 oz |
| 15 st | 3,360 oz |
| 20 st | 4,480 oz |
| 25 st | 5,600 oz |
| 50 st | 11,200 oz |
| 100 st | 22,400 oz |
About converting Ounces to Stone
Ounces (oz) and Stone (st) are both units of weight. The exact factor is 1 oz = 0.00446429 st, so multiply by 0.00446429 to go from ounces to stone (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Stone to Ounces converter, or the full unit converter for every unit at once.
Real-world weight in ounces and stone
| Example | Ounces | Stone |
|---|---|---|
| 1 litre of water | ≈ 35.27396 oz | ≈ 0.157473 st |
| An Olympic men's barbell | 705.4792 oz | 3.149461 st |
| A typical checked-bag limit (economy) | ≈ 811.3011 oz | ≈ 3.62188 st |
| A typical family car | ≈ 52,910.94 oz | ≈ 236.2096 st |
“≈” marks typical values; the rest are defined or measured figures.
The units
The avoirdupois ounce: 1/16 of a pound, exactly 28.349523125 g.
Used for: US food packaging, postage and cooking.
14 pounds, exactly 6.35029318 kg.
Used for: Body weight in the UK and Ireland.
These factors are exact: since 1959 the avoirdupois pound is defined as exactly 0.45359237 kg, and the ounce as 1/16 of that.