Convert Ounces to Stone
1 ounce is 0.004464 st. One ounce is exactly 0.00446428571429 stone.
One ounce is 0.0044642857 stone. To convert ounces to stone, multiply by 0.0044642857; to go the other way, divide by 0.0044642857 or multiply by 224. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 44. One sixteenth of a pound.
Factor checked against the defining standard · How we check
- Ounces × 0.0044642857
1 * 0.00446430.004 st
1 ounce in every weight unit
| Unit | Value | Exact factor |
|---|---|---|
| ounces (as entered) | 1 oz | — |
| pounds | 0.0625 lb | × 0.0625 |
| stone | 0.004464285714 st | × 0.00446428571429 |
| US tons | 0.00003125 ton | × 0.00003125 |
| micrograms | 28,349,523.13 mcg | × 28,349,523.125 |
| milligrams | 28,349.52313 mg | × 28,349.523125 |
| centigrams | 2,834.952313 cg | × 2,834.9523125 |
| grams | 28.34952313 g | × 28.349523125 |
| kilograms | 0.02834952313 kg | × 0.028349523125 |
| slugs | 0.001942559386 slug | × 0.00194255938572 |
| tonnes | 0.00002834952313 t | × 0.000028349523125 |
| carats | 141.7476156 ct | × 141.747615625 |
| troy ounces | 0.9114583333 ozt | × 0.911458333333 |
| grains | 437.5 gr | × 437.5 |
| long tons | 0.00002790178571 LT | × 0.0000279017857143 |
Factors are entered by hand from NIST Handbook 44 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert ounces to stone? The converter and the working
- 1.Take the measurement in ounces.
- 2.Multiply by 0.0044642857 — that is how many stone fit in one ounce.
- 3.To go back the other way, divide by 0.0044642857, or multiply by 224.
Worked example: 25 ounces to stone
- Formula
- oz × 0.0044642857 = st
- Arithmetic
- 25 × 0.0044642857 = 0.11 st
- Answer
- 25 oz = 0.11 st
The factor is rounded for display; the figure above is computed from the full value.
Ounces to stone conversion table
| Ounces | Stone |
|---|---|
| 1 oz | 0.004464 st |
| 2 oz | 0.01 st |
| 3 oz | 0.01 st |
| 4 oz | 0.02 st |
| 5 oz | 0.02 st |
| 6 oz | 0.03 st |
| 7 oz | 0.03 st |
| 8 oz | 0.04 st |
| 9 oz | 0.04 st |
| 10 oz | 0.04 st |
| 12 oz | 0.05 st |
| 15 oz | 0.07 st |
| 20 oz | 0.09 st |
| 25 oz | 0.11 st |
| 50 oz | 0.22 st |
| 100 oz | 0.45 st |
| 200 oz | 0.89 st |
| 300 oz | 1.34 st |
| 500 oz | 2.23 st |
| 1000 oz | 4.46 st |
| 2000 oz | 8.93 st |
| 5000 oz | 22.32 st |
| 10000 oz | 44.64 st |
What is an ounce?
One sixteenth of a pound. Not to be confused with the fluid ounce, which measures volume.
What is a stone?
Fourteen pounds. Still the everyday unit of body weight in Britain and Ireland, and nowhere else.
How many stone are in an ounce?
One ounce is 0.0044642857 stone. Going the other way, one stone is 224 ounces. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every weight unit here
The whole group — 15 units with their symbols and the size of each one in kilograms — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to an ounce.
Cite this page
- APA
- Rule Calculator. (2026). Convert Ounces to stone. Rule Calculator. https://rulecalculators.com/convert/ounce-to-stone
- MLA
- "Convert Ounces to stone." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/ounce-to-stone.
- Chicago
- Rule Calculator. "Convert Ounces to stone." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/ounce-to-stone.
The date is when the figures on this page were last checked against their source, not the day you opened it. Add your own access date if your style needs one.
Questions people actually ask
- How many stone are in an ounce?
- 0.0044642857. Fourteen pounds. Still the everyday unit of body weight in Britain and Ireland, and nowhere else.
- How do I convert stone back to ounces?
- Divide by 0.0044642857, or multiply by 224 — they are the same operation.
Other weight conversions
Stone to ounces — the same conversion the other way.