Convert Stone to Kilograms
1 st = 6.3503 kg
Conversion Table
| stone (st) | kilograms (kg) |
|---|---|
| 0.5 | 3.1751 |
| 1 | 6.3503 |
| 2 | 12.7006 |
| 5 | 31.7515 |
| 10 | 63.5029 |
| 25 | 158.76 |
| 50 | 317.51 |
| 100 | 635.03 |
| 250 | 1587.57 |
| 500 | 3175.14 |
| 1000 | 6350.29 |
How to Convert stone to kilograms
To convert stone to kilograms, multiply the value by the conversion factor:
For example: 10 st = 63.5029 kg
Related Converters
About stone and kilograms
The Conversion Formula
To convert stone to kilograms, multiply the value by the conversion factor: 1 st = 6.3503 kg. For a worked example, suppose you need to convert 25 st to kilograms: 25 × 6.3503 = 158.76 kg. To convert in the opposite direction, divide by 6.3503, or equivalently multiply by 0.157473.
About stone
The stone is a quintessential British unit, historically used to weigh agricultural commodities like wool and wax. Its weight varied by town and product until being standardized at 14 pounds in 1835. While no longer used for trade, it remains the primary way people in the UK and Ireland describe their body weight. You might hear someone say they weigh '10 stone 7' (147 lbs). stone are commonly used in Human body weight (UK/Ireland), Boxing commentary (UK), Jockey weights, and Historical trade records.
A medium-sized dog might weigh around 1 stone (14 lbs).
About kilograms
The kilogram (kg) is the base unit of mass in the International System of Units (SI). Established in 1795 as the mass of one liter of water at the freezing point, it has been the world's standard for over two centuries. Until 2019, it was defined by a physical platinum-iridium cylinder locked in a vault in Paris (Le Grand K). Today, it is defined by the Planck constant, a fundamental constant of quantum physics, ensuring it remains stable and precise forever. kilograms are commonly used in Body weight (worldwide except US), Gym equipment (plates/dumbbells), International shipping, and Scientific mass measurements, Food packaging (globally).
A liter of bottled water weighs exactly 1 kilogram.
When Would You Convert stone to kilograms?
Converting between stone and kilograms is one of the most common weight conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 st = 6.3503 kg) memorized or bookmarked can save time in professional and everyday contexts alike.