Stone to Pound Converter
Converts stone (st) to pound (lb) and back. The conversion factor is shown below every result.
How to Convert Stone to Pound
What Is a Stone?
The stone (st) is a UK imperial unit of mass, used mainly for body weight, defined as exactly 14 pounds.
What Is a Pound?
Exactly 0.45359237 kilograms defines the avoirdupois pound (lb), common to US customary and imperial mass measurement.
Common Stone to Pound Reference Points
Real-world reference values for quick sanity checks.
| Item | Stone (st) | Pound (approx.) |
|---|---|---|
| A typical adult body weight (UK convention) | 11 st | 154 lb |
| A large suitcase weight limit (approx.) | 3.5 st | 49 lb |
| Reference values are illustrative approximations for common items, not measured specifications. | ||
Stone to Pound Conversion Table
| Stone (st) | Pound (lb) |
|---|---|
| 0.5 st | 7 lb |
| 1 st | 14 lb |
| 2 st | 28 lb |
| 5 st | 70 lb |
| 8 st | 112 lb |
| 10 st | 140 lb |
| 11 st | 154 lb |
| 14 st | 196 lb |
| 20 st | 280 lb |
| Source: UK Weights and Measures Act (1 stone = 14 lb exactly, standard imperial definition) | |
Frequently Asked Questions
How do I convert stone to pounds?
Multiply the stone value by 14. For example, 12 st × 14 = 168 lb.
Where is the stone used as a weight unit?
The stone is used mainly in the United Kingdom and Ireland for body weight, where it's still the everyday unit people use rather than kilograms or pounds alone.
Is the stone used for anything besides body weight?
Historically the stone was used more broadly in the UK for various goods, but today it's almost exclusively used for describing a person's body weight.
Related Weight & Mass Converters
A good measuring tool marked in both st and lb removes the guesswork at the point of use.