Convert Pound to Stone
Live bidirectional calculator for Pounds (lb) and Stone (st) with verified formula and conversion charts.
Weight & Mass8 units
How the Calculation Works (Linear Scaling)
Since 1 Stone = 14 Pounds, divide the value in Pounds by 14.
Pound to Stone Conversion Table
Precomputed values for quick reference and printing.
| Pound | Stone |
|---|---|
| 1 lb | 0.0714 st |
| 2 lb | 0.1429 st |
| 3 lb | 0.2143 st |
| 4 lb | 0.2857 st |
| 5 lb | 0.3571 st |
| 6 lb | 0.4286 st |
| 7 lb | 0.5 st |
| 8 lb | 0.5714 st |
| 9 lb | 0.6429 st |
| 10 lb | 0.7143 st |
| 15 lb | 1.0714 st |
| 20 lb | 1.4286 st |
| 25 lb | 1.7857 st |
| 30 lb | 2.1429 st |
| 40 lb | 2.8571 st |
| 50 lb | 3.5714 st |
| 75 lb | 5.3571 st |
| 100 lb | 7.1429 st |
| Stone | Pound |
|---|---|
| 1 st | 14 lb |
| 2 st | 28 lb |
| 3 st | 42 lb |
| 4 st | 56 lb |
| 5 st | 70 lb |
| 6 st | 84 lb |
| 7 st | 98 lb |
| 8 st | 112 lb |
| 9 st | 126 lb |
| 10 st | 140 lb |
| 15 st | 210 lb |
| 20 st | 280 lb |
| 25 st | 350 lb |
| 30 st | 420 lb |
| 40 st | 560 lb |
| 50 st | 700 lb |
| 75 st | 1050 lb |
| 100 st | 1400 lb |
๐ Standard Benchmark Reference Values
British imperial customary unit of body weight.
Exact RatioAbout Pound (lb)
The avoirdupois pound is defined as exactly 0.45359237 kilograms by international agreement.
History: Derived from the Roman "libra pondo" (hence the symbol lb). Standardized internationally in 1959.
Common Uses: Body weight in the US and UK, grocery items, cooking, and gym weights.
About Stone (st)
The stone is an imperial unit of mass equal to 14 avoirdupois pounds (6.35029318 kg).
History: Used in the British Isles since at least the 14th century. Still widely used in the UK and Ireland for body weight.
Common Uses: Body weight measurement in the United Kingdom and Ireland.
โ Frequently Asked Questions
How many Stone are in 1 Pound?
There are exactly 0.071429 Stone in 1 Pound (1 lb = 0.071429 st).
What is the formula to convert Pound to Stone?
The formula is: Stone = Pound / 14. Since 1 Stone = 14 Pounds, divide the value in Pounds by 14.
How do I convert 1 lb to st manually?
To convert 1 lb to st: apply the formula Stone = Pound / 14. Substituting gives: 1 / 14 = 0.0714 st.