Pounds to Stone Converter
1 pound ≈ 0.0714285714 stone
1 pound equals 0.0714286 stone
How to convert pounds to stone
These units measure mass. Pounds and ounces mean avoirdupois unless the unit explicitly says troy; a fluid ounce measures volume and requires a density to relate it to mass.
st = lb × 1/14One pound is 1/14 stone, so a single multiplication converts any value.
0.714286 st ≈ 10 × 1/14Pounds to stone conversion table
Common values in pounds, converted to stone.
| Pounds (lb) | Stone (st) |
|---|---|
| 1 | 0.071428571 |
| 2 | 0.14285714 |
| 3 | 0.21428571 |
| 4 | 0.28571429 |
| 5 | 0.35714286 |
| 10 | 0.71428571 |
| 20 | 1.4285714 |
| 25 | 1.7857143 |
| 50 | 3.5714286 |
| 100 | 7.1428571 |
| 250 | 17.857143 |
| 500 | 35.714286 |
| 1,000 | 71.428571 |
About these units
poundlb
The avoirdupois pound: exactly 0.45359237 kilograms.
Reference: International Yard and Pound Agreement (1959).
stonest
Exactly 14 pounds. Commonly used for body weight in the UK and Ireland.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.