Convert Pounds to Stone
1 pound is 0.07 st. One pound is exactly 0.0714285714286 stone.
One pound is 0.071428571 stone. To convert pounds to stone, multiply by 0.071428571; to go the other way, divide by 0.071428571 or multiply by 14. 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. Exactly 0.45359237 kilograms by international agreement, and sixteen ounces.
Factor checked against the defining standard · How we check
- Pounds × 0.071428571
1 * 0.07142860.071 st
1 pound in every weight unit
| Unit | Value | Exact factor |
|---|---|---|
| ounces | 16 oz | × 16 |
| pounds (as entered) | 1 lb | — |
| stone | 0.07142857143 st | × 0.0714285714286 |
| US tons | 0.0005 ton | × 0.0005 |
| micrograms | 453,592,370 mcg | × 453,592,370 |
| milligrams | 453,592.37 mg | × 453,592.37 |
| centigrams | 45,359.237 cg | × 45,359.237 |
| grams | 453.59237 g | × 453.59237 |
| kilograms | 0.45359237 kg | × 0.45359237 |
| slugs | 0.03108095017 slug | × 0.0310809501716 |
| tonnes | 0.00045359237 t | × 0.00045359237 |
| carats | 2,267.96185 ct | × 2,267.96185 |
| troy ounces | 14.58333333 ozt | × 14.5833333333 |
| grains | 7,000 gr | × 7,000 |
| long tons | 0.0004464285714 LT | × 0.000446428571429 |
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 pounds to stone? The converter and the working
- 1.Take the measurement in pounds.
- 2.Multiply by 0.071428571 — that is how many stone fit in one pound.
- 3.To go back the other way, divide by 0.071428571, or multiply by 14.
Worked example: 25 pounds to stone
- Formula
- lb × 0.071428571 = st
- Arithmetic
- 25 × 0.071428571 = 1.79 st
- Answer
- 25 lb = 1.79 st
The factor is rounded for display; the figure above is computed from the full value.
Pounds to stone conversion table
| Pounds | Stone |
|---|---|
| 1 lb | 0.07 st |
| 2 lb | 0.14 st |
| 3 lb | 0.21 st |
| 4 lb | 0.29 st |
| 5 lb | 0.36 st |
| 6 lb | 0.43 st |
| 7 lb | 0.5 st |
| 8 lb | 0.57 st |
| 9 lb | 0.64 st |
| 10 lb | 0.71 st |
| 12 lb | 0.86 st |
| 15 lb | 1.07 st |
| 20 lb | 1.43 st |
| 25 lb | 1.79 st |
| 50 lb | 3.57 st |
| 100 lb | 7.14 st |
| 200 lb | 14.29 st |
| 300 lb | 21.43 st |
| 500 lb | 35.71 st |
| 1000 lb | 71.43 st |
| 2000 lb | 142.86 st |
| 5000 lb | 357.14 st |
| 10000 lb | 714.29 st |
Fourteen pounds, and nobody in the US uses it
A stone is exactly 14 pounds. It is standard for body weight in the UK and Ireland and essentially unknown in the United States, where the same weight is given in pounds alone. British weights are said as "eleven stone four", meaning 158 pounds — the remainder is pounds, not a decimal.
NIST Handbook 44, Appendix C — general tables of units of measurement
What is a pound?
Exactly 0.45359237 kilograms by international agreement, and sixteen ounces.
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 a pound?
One pound is 0.071428571 stone. Going the other way, one stone is 14 pounds. 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 a pound.
Cite this page
- APA
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- Chicago
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Questions people actually ask
- How many stone are in a pound?
- 0.071428571. Fourteen pounds. Still the everyday unit of body weight in Britain and Ireland, and nowhere else.
- How do I convert stone back to pounds?
- Divide by 0.071428571, or multiply by 14 — they are the same operation.
Other weight conversions
Stone to pounds — the same conversion the other way.