Pounds (lb) to Stones (st) Conversion
Pounds
The pound (avoirdupois) is a unit of mass equal to exactly 0.45359237 kilograms, standardised in 1959. It is the primary unit of mass in the US customary and British imperial systems, used for body weight, food packaging, and commercial transactions. The pound is subdivided into 16 ounces. In US engineering, the distinction between pound-mass (lbm) and pound-force (lbf) is a frequent source of calculation errors.
Stones
The stone is a unit of mass equal to exactly 14 pounds (approximately 6.35 kilograms), used almost exclusively in the United Kingdom and Ireland for expressing human body weight. Standardised by the Weights and Measures Act of 1835, the stone persists in British popular culture and medical contexts despite not being part of the SI system.
| Pounds (lb) | Stones (st) |
|---|---|
| 0.1 lb | 0.00714 st |
| 1 lb | 0.0714 st |
| 2 lb | 0.1429 st |
| 3 lb | 0.2143 st |
| 5 lb | 0.3571 st |
| 10 lb | 0.7143 st |
| 20 lb | 1.4286 st |
| 30 lb | 2.1429 st |
| 50 lb | 3.5714 st |
| 100 lb | 7.1429 st |
| 1000 lb | 71.4286 st |
Frequently Asked Questions (FAQ)
How many stones are in 1 pounds?
1 pounds (lb) is exactly 0.071429 stones (st).
How do I convert pounds to stones?
Multiply the value in pounds by 0.071429 to get the result in stones. Or use the converter above — type any number and see the result instantly.