How to convert ounces to stones
Ounces and Stones both measure weight, so converting is a single multiplication. One oz equals 0.004464 st, so you multiply your ounces value by 0.004464.
Formula: stones = ounces × 0.004464. For example, 10 oz = 0.044643 st.
Ounces to Stones conversion table
| Ounces (oz) | Stones (st) |
|---|---|
| 1 | 0.004464 |
| 2 | 0.008929 |
| 5 | 0.022321 |
| 10 | 0.044643 |
| 25 | 0.111607 |
| 50 | 0.223214 |
| 100 | 0.446428 |
| 1,000 | 4.464284 |
Ounces and Stones explained
Ounces (oz): An imperial unit equal to about 28.35 g, used for food and postage in the US.
Stones (st): Fourteen pounds (6.35 kg), used for body weight in the UK and Ireland.
When you'd convert ounces to stones
You'll convert ounces to stones whenever a measurement is given in one unit but you need it in the other — comparing ounces and stones figures across regions, following a recipe or spec, or double-checking a number. Because 1 oz is exactly 0.004464 st, the result is precise every time.
Frequently asked questions
How many stones are in a ounce?
One oz equals 0.004464 st. Multiply your ounces figure by 0.004464 to get stones.
What is the formula to convert ounces to stones?
stones = ounces × 0.004464. The factor 0.004464 is exact.
What is 2 ounces in stones?
2 oz = 0.008929 st. You can enter any value in the converter above to get an instant result.
Is this Ounces to Stones converter accurate?
Yes. It uses the standard conversion factor (1 oz = 0.004464 st) defined by BIPM — SI Brochure (definition of the kilogram), so results are exact to several decimal places.