Pounds to Stone
Type a value in Pounds and get the result in Stone, calculated exactly.
1 Pounds ≈ 0.07142857143 Stone
Precision
Exact factorRounded for display to about 10 significant digits.
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Formula
st = lb ÷ 14
To convert Pounds to Stone, divide the value by 14.
Worked examples
- 1 lb ÷ 14 ≈ 0.07142857143 st
- 100 lb ÷ 14 ≈ 7.142857143 st
- 50 lb ÷ 14 ≈ 3.571428571 st
This factor is exact by definition.
Conversion table
| Pounds (lb) | Stone (st) |
|---|---|
| 1 | ≈ 0.07142857 |
| 2 | ≈ 0.1428571 |
| 3 | ≈ 0.2142857 |
| 4 | ≈ 0.2857143 |
| 5 | ≈ 0.3571429 |
| 6 | ≈ 0.4285714 |
| 7 | 0.5 |
| 8 | ≈ 0.5714286 |
| 9 | ≈ 0.6428571 |
| 10 | ≈ 0.7142857 |
| 15 | ≈ 1.071429 |
| 20 | ≈ 1.428571 |
| 25 | ≈ 1.785714 |
| 30 | ≈ 2.142857 |
| 40 | ≈ 2.857143 |
| 50 | ≈ 3.571429 |
| 60 | ≈ 4.285714 |
| 70 | 5 |
| 75 | ≈ 5.357143 |
| 80 | ≈ 5.714286 |
| 90 | ≈ 6.428571 |
| 100 | ≈ 7.142857 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Stone to Pounds
| Stone (st) | Pounds (lb) |
|---|---|
| 1 | 14 |
| 2 | 28 |
| 3 | 42 |
| 4 | 56 |
| 5 | 70 |
| 6 | 84 |
| 7 | 98 |
| 8 | 112 |
| 9 | 126 |
| 10 | 140 |
| 15 | 210 |
| 20 | 280 |
| 25 | 350 |
| 30 | 420 |
| 40 | 560 |
| 50 | 700 |
| 60 | 840 |
| 70 | 980 |
| 75 | 1,050 |
| 80 | 1,120 |
| 90 | 1,260 |
| 100 | 1,400 |
Unit definitions
- Pounds lb
- Exactly 0.45359237 kilograms, by the 1959 international agreement.
- Stone st
- Exactly 14 pounds, or 6.35029318 kilograms.
Questions people ask
Pounds to Stone: what is the conversion factor?
One lb is ≈ 0.07142857143 st.
How do I convert Pounds to Stone?
Use the formula above. For example, 100 lb = ≈ 7.142857143 st.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.