How to convert ounces to stone
st = oz × 0.004464285714Because one stone equals 224 ounces, you can also divide: st = oz ÷ 224.
An ounce is smaller than a stone: it takes 224 ounces to make one stone.
Worked examples
- 1 ounce1 oz × 0.004464285714 = 0.004464285714 st
- 5 ounces5 oz × 0.004464285714 = 0.02232142857 st
- 10 ounces10 oz × 0.004464285714 = 0.04464285714 st
- 20 ounces20 oz × 0.004464285714 = 0.08928571429 st
- 100 ounces100 oz × 0.004464285714 = 0.4464285714 st
Ounces to stone conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Ounces (oz) | Stone (st) |
|---|---|
| 0.1 oz | 0.00044642857 st |
| 0.25 oz | 0.0011160714 st |
| 0.5 oz | 0.0022321429 st |
| 1 oz | 0.0044642857 st |
| 2 oz | 0.0089285714 st |
| 3 oz | 0.013392857 st |
| 4 oz | 0.017857143 st |
| 5 oz | 0.022321429 st |
| 6 oz | 0.026785714 st |
| 7 oz | 0.03125 st |
| 8 oz | 0.035714286 st |
| 9 oz | 0.040178571 st |
| 10 oz | 0.044642857 st |
| Ounces (oz) | Stone (st) |
|---|---|
| 12 oz | 0.053571429 st |
| 15 oz | 0.066964286 st |
| 20 oz | 0.089285714 st |
| 25 oz | 0.11160714 st |
| 30 oz | 0.13392857 st |
| 40 oz | 0.17857143 st |
| 50 oz | 0.22321429 st |
| 75 oz | 0.33482143 st |
| 100 oz | 0.44642857 st |
| 250 oz | 1.1160714 st |
| 500 oz | 2.2321429 st |
| 1,000 oz | 4.4642857 st |
About the units
Ounce (oz)
One sixteenth of a pound: exactly 28.349523125 g. Not to be confused with the fluid ounce (volume) or the troy ounce used for precious metals. One ounce equals 0.02834952313 kilograms (kg).
Stone (st)
Fourteen pounds (6.35029318 kg). Body weight in the UK and Ireland is often quoted in stones and pounds.
Frequently asked questions
How many stone are in one ounce?
There are 0.004464285714 stone in one ounce, and this value is exact by definition.
How do I convert ounces to stone?
Multiply the number of ounces by 0.004464285714. For example, 10 oz × 0.004464285714 = 0.04464285714 st.
How many ounces are in one stone?
One stone equals 224 ounces. That is the reverse factor, 1 ÷ 0.004464285714.
What is 10 ounces in stone?
10 oz = 0.04464285714 st.
Is this oz to st converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.