Pounds to stones
Type a value in pounds to see it in stones straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the pounds box.
- Read the result in stones as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
st = lb × 0.07142857143
Multiply the value in pounds by 0.07142857143 to get stones.
Example
To convert 25 lb to stones: 25 × 0.07142857143 = 1.78571 st.
Conversion table
| Pounds (lb) | Stones (st) |
|---|---|
| 1 | 0.0714286 |
| 2 | 0.142857 |
| 3 | 0.214286 |
| 5 | 0.357143 |
| 10 | 0.714286 |
| 20 | 1.42857 |
| 25 | 1.78571 |
| 50 | 3.57143 |
| 100 | 7.14286 |
| 250 | 17.8571 |
| 500 | 35.7143 |
| 1,000 | 71.4286 |
About the units
- Pound
- The international avoirdupois pound, equal to exactly 0.45359237 kg since the 1959 agreement.
- Stone
- A British unit equal to 14 pounds, exactly 6.35029318 kg, still used in the UK and Ireland for body weight.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many stones are in one pound?
1 lb = 0.0714286 st exactly.
How do I convert pounds to stones?
Use st = lb × 0.07142857143. For example, 25 lb = 1.78571 st.
How many pounds are in one stone?
1 st = 14 lb.
Are mass and weight the same thing?
Strictly no: mass is the amount of matter, in kilograms, while weight is the force of gravity on it, in newtons. Scales display mass, so everyday language uses the two words interchangeably.
What is the difference between an ounce and a troy ounce?
An ordinary ounce is 28.349523125 grams and is used for food and goods, while a troy ounce is 31.1034768 grams and is used to price gold and silver.