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Convert pounds to stone
Instant, accurate lb → st conversion with a live converter, table and formula.
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1 pound = 0.0714286 stone
1 stone = 14 pounds
pounds to stone table
| pounds (lb) | stone (st) |
|---|---|
| 0.5 | 0.0357143 |
| 1 | 0.0714286 |
| 2 | 0.142857 |
| 5 | 0.357143 |
| 10 | 0.714286 |
| 20 | 1.42857 |
| 50 | 3.57143 |
| 100 | 7.14286 |
| 500 | 35.7143 |
| 1000 | 71.4286 |
Formula
stone = pounds × 0.0714286.
Example
10 pounds = 0.714286 stone.
What is a pound?
A pound (lb) is 16 ounces (0.4536 kg), the imperial unit for body weight in the US.
What is a stone?
A stone (st) is 14 pounds (6.35 kg), used for body weight in the UK and Ireland.
Real-world reference points
A kilogram is a liter of water; a pound is a loaf of bread; an ounce is a slice of it.
| Reference | pounds | stone |
|---|---|---|
| Smartphone | 0.397 lb | 0.0283 st |
| Liter of water | 2.2 lb | 0.157 st |
| Newborn baby (average) | 7.28 lb | 0.52 st |
| Airline checked-bag limit (common) | 50.71 lb | 3.62 st |
| Cement bag (standard) | 110 lb | 7.87 st |
Mistakes to avoid with mass conversions
- Confusing weight ounces with fluid ounces — one measures mass, the other volume.
- Reading 'stone and pounds' (11 st 6 lb) as decimal stone (11.6 st) — they differ.
- Comparing net vs gross weight when shipping: the box and padding count toward limits.
Frequently asked questions
How many stone in a pounds?+
1 pound = 0.0714286 stone.
How do I convert pounds to stone?+
Enter the value in the pounds box above and the stone value appears instantly. You can also type in the stone box to convert the other way.
Is this lb to st converter free?+
Yes — it is 100% free, needs no sign-up, and runs entirely in your browser.