How to convert pounds to stone
st = lb × 0.07142857143Because one stone equals 14 pounds, you can also divide: st = lb ÷ 14.
A pound is smaller than a stone: it takes 14 pounds to make one stone.
Worked examples
- 1 pound1 lb × 0.07142857143 = 0.07142857143 st
- 5 pounds5 lb × 0.07142857143 = 0.3571428571 st
- 10 pounds10 lb × 0.07142857143 = 0.7142857143 st
- 20 pounds20 lb × 0.07142857143 = 1.428571429 st
- 100 pounds100 lb × 0.07142857143 = 7.142857143 st
Pounds to stone conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Pounds (lb) | Stone (st) |
|---|---|
| 0.1 lb | 0.0071428571 st |
| 0.25 lb | 0.017857143 st |
| 0.5 lb | 0.035714286 st |
| 1 lb | 0.071428571 st |
| 2 lb | 0.14285714 st |
| 3 lb | 0.21428571 st |
| 4 lb | 0.28571429 st |
| 5 lb | 0.35714286 st |
| 6 lb | 0.42857143 st |
| 7 lb | 0.5 st |
| 8 lb | 0.57142857 st |
| 9 lb | 0.64285714 st |
| 10 lb | 0.71428571 st |
| Pounds (lb) | Stone (st) |
|---|---|
| 12 lb | 0.85714286 st |
| 15 lb | 1.0714286 st |
| 20 lb | 1.4285714 st |
| 25 lb | 1.7857143 st |
| 30 lb | 2.1428571 st |
| 40 lb | 2.8571429 st |
| 50 lb | 3.5714286 st |
| 75 lb | 5.3571429 st |
| 100 lb | 7.1428571 st |
| 250 lb | 17.857143 st |
| 500 lb | 35.714286 st |
| 1,000 lb | 71.428571 st |
About the units
Pound (lb)
The avoirdupois pound, exactly 0.45359237 kg, divided into 16 ounces. The standard US unit for body weight and groceries.
Stone (st)
Fourteen pounds (6.35029318 kg). Body weight in the UK and Ireland is often quoted in stones and pounds.
Frequently asked questions
How many stone are in one pound?
There are 0.07142857143 stone in one pound, and this value is exact by definition.
How do I convert pounds to stone?
Multiply the number of pounds by 0.07142857143. For example, 10 lb × 0.07142857143 = 0.7142857143 st.
How many pounds are in one stone?
One stone equals 14 pounds. That is the reverse factor, 1 ÷ 0.07142857143.
What is 10 pounds in stone?
10 lb = 0.7142857143 st.
Is this lb to st converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.