Convert Stone to Kilogram
Use this free converter to change stones (st) into kilograms (kg). Stone and kilogram both measure weight & mass. As a quick reference, 1 st equals 6.3502932 kg, and 1 kg equals 0.15747304 st.
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Kilogram (kg)
6.3502932
1 st = 6.3502932 kg
Weight & Mass conversion table
| Stone | Kilogram |
|---|---|
| 0.01 | 0.063502932 |
| 0.1 | 0.63502932 |
| 0.5 | 3.1751466 |
| 1 | 6.3502932 |
| 2 | 12.700586 |
| 3 | 19.05088 |
| 5 | 31.751466 |
| 10 | 63.502932 |
| 20 | 127.00586 |
| 25 | 158.75733 |
| 50 | 317.51466 |
| 100 | 635.02932 |
| 1,000 | 6350.2932 |
How to convert Stone to Kilogram
Multiply the stone value by 6.3502932 to get kilograms.
- Enter the number of stones you want to convert.
- The converter instantly shows the equivalent value in kilograms.
- Worked example: 15 st × 6.3502932 = 95.254398 kg.
- Use the swap button to reverse the conversion (kilogram to stone).
About these units
Stone (st)
- Definition
- A stone (st) is a British imperial unit of mass equal to 14 pounds, or about 6.35 kilograms.
- History
- Historically the stone varied by commodity before being fixed at 14 pounds in 1835.
- Current use
- Stones are still widely used in the UK and Ireland to express body weight.
Kilogram (kg)
- Definition
- The kilogram (kg) is the SI base unit of mass, defined since 2019 by fixing the value of the Planck constant.
- History
- It was originally the mass of one liter of water, then a platinum-iridium cylinder kept near Paris until the 2019 redefinition.
- Current use
- The kilogram is the global standard for weighing goods, people, and ingredients in science and commerce.
Frequently asked questions
How many kilograms are in a stone?
There are 6.3502932 kg in 1 st. To convert, multiply the number of stones by 6.3502932.
How do I convert stones to kilograms?
Multiply the stone value by 6.3502932 to get kilograms. For example, 10 st = 63.502932 kg.
Is this stone-to-kilogram converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Stone to other weight & mass units
| Unit | 1 Stone equals |
|---|---|
| Kilogram (kg) | 6.3502932 kg |
| Gram (g) | 6350.2932 g |
| Milligram (mg) | 6350293.2 mg |
| Microgram (µg) | 6350293200 µg |
| Metric Ton (t) | 0.0063502932 t |
| Pound (lb) | 14 lb |
| Ounce (oz) | 224 oz |
| US Ton (ton) | 0.007 ton |
| Imperial Ton (long ton) | 0.00625 long ton |
| Carat (ct) | 31751.466 ct |