LBS to Stone Converter
Converts pounds into the stone measurement common for body weight in the UK.
1 lb = 0.07143 st
stone
1 lb = 0.07143 st
How to convert pounds to stone
Divide the number of pounds by 14.
Formula
st = lb ÷ 14
For a quick estimate, multiply by about 0.071429.
Examples
- 100 lb ÷ 14 = 7.1429 st
- 154 lb ÷ 14 = 11 st
- 200 lb ÷ 14 = 14.2857 st
Pounds to stone conversion table
| Pounds (lb) | Stone (st) |
|---|---|
| 14 | 1 |
| 28 | 2 |
| 50 | 3.5714 |
| 100 | 7.1429 |
| 112 | 8 |
| 120 | 8.5714 |
| 130 | 9.2857 |
| 140 | 10 |
| 150 | 10.7143 |
| 160 | 11.4286 |
| 168 | 12 |
| 180 | 12.8571 |
| 200 | 14.2857 |
| 224 | 16 |
| 250 | 17.8571 |
| 300 | 21.4286 |
Values rounded to 4 decimal places or 4 significant digits.
About pounds
The avoirdupois pound is defined as exactly 0.45359237 kilograms and is divided into 16 ounces. It is the everyday unit for body weight and groceries in the US, and is often abbreviated "lbs".
About stone
The stone equals 14 pounds, about 6.35 kilograms. It is used mainly in the UK and Ireland for body weight, usually combined with pounds, as in "11 st 6 lb".
Frequently asked questions
How many stone are in one pound?
One pound equals 0.07143 stone (rounded).
How do I convert pounds to stone?
Divide the number of pounds by 14. For example: 154 lb ÷ 14 = 11 st.
How many pounds are in one stone?
One stone equals 14 pounds.
Is the lb to st conversion exact?
Yes. The factor follows directly from the official definitions of both units, so the only rounding is in how many decimals are displayed.