How to convert pounds to stones
Formula: st = lb ÷ 14
Worked example: 150 lb → 150 ÷ 14 = 10.7143 st
A stone holds exactly 14 pounds. To convert a British weight such as 11 st 6 lb, multiply the stones by 14 and add the pounds: 11 × 14 + 6 = 160 lb.
Pounds to stones conversion chart
| Pounds (lb) | Stones (st) |
|---|---|
| 1 lb | 0.0714286 st |
| 2 lb | 0.142857 st |
| 3 lb | 0.214286 st |
| 4 lb | 0.285714 st |
| 5 lb | 0.357143 st |
| 6 lb | 0.428571 st |
| 7 lb | 0.5 st |
| 8 lb | 0.571429 st |
| 9 lb | 0.642857 st |
| 10 lb | 0.714286 st |
| 12 lb | 0.857143 st |
| 15 lb | 1.07143 st |
| 20 lb | 1.42857 st |
| 25 lb | 1.78571 st |
| 30 lb | 2.14286 st |
| 40 lb | 2.85714 st |
| 50 lb | 3.57143 st |
| 75 lb | 5.35714 st |
| 100 lb | 7.14286 st |
| 250 lb | 17.8571 st |
| 500 lb | 35.7143 st |
| 1,000 lb | 71.4286 st |
What is a pound?
The international avoirdupois pound has been exactly 0.45359237 kilogram since 1959, and holds 16 ounces. It is the US unit for body weight, groceries, shipping and gym plates. The abbreviation lb comes from libra, the Roman pound.
What is a stone?
The stone equals 14 pounds, about 6.35 kilograms. It is still how people in the United Kingdom and Ireland state their body weight, as in 11 st 4 lb. It is rarely used in the United States or for anything other than people.