Quick answer: 1 Stone in Kilogram
1 st equals 6.350293 kg. To convert Stone to Kilogram, multiply by 6.350293 using the free calculator above — no signup needed.
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About Weight & Mass Converter
The Weight & Mass Converter converts between 8 different units, including Kilogram, Gram, Milligram, Metric Ton, Pound (lbs). The base unit is the Kilogram, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Kilogram = 1000 Gram, 1000000 Milligram, 0.001 Metric Ton.
Scale of this category: the smallest unit is the Milligram (mg) and the largest is the Metric Ton (t).
Last updated: 2026-09-15
Weight & Mass conversion factors
| Unit | Symbol | Value in Kilogram |
|---|---|---|
| Kilogram | kg | 1 kg = 1 kg |
| Gram | g | 1 g = 0.001 kg |
| Milligram | mg | 1 mg = 0.000001 kg |
| Metric Ton | t | 1 t = 1000 kg |
| Pound (lbs) | lb | 1 lb = 0.453592 kg |
| Ounce (oz) | oz | 1 oz = 0.0283495 kg |
| Carat | ct | 1 ct = 0.0002 kg |
| Stone | st | 1 st = 6.350293 kg |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Stone in Kilogram?
- Multiply 1 by the conversion factor 6.350293
- 1 Stone = 6.350293 Kilogram
How much is 5 Stone in Kilogram?
- Multiply 5 by the conversion factor 6.350293
- 5 Stone = 31.751466 Kilogram
How much is 25 Stone in Kilogram?
- Multiply 25 by the conversion factor 6.350293
- 25 Stone = 158.757329 Kilogram
Quick Conversion Reference Table
| Stone (st) | Kilogram (kg) |
|---|---|
| 1 st (Stone) | 6.350293 kg (Kilogram) |
| 2 st (Stone) | 12.700586 kg (Kilogram) |
| 5 st (Stone) | 31.751466 kg (Kilogram) |
| 10 st (Stone) | 63.502932 kg (Kilogram) |
| 20 st (Stone) | 127.005864 kg (Kilogram) |
| 50 st (Stone) | 317.514659 kg (Kilogram) |
| 100 st (Stone) | 635.029318 kg (Kilogram) |
| 500 st (Stone) | 3175.15 kg (Kilogram) |
| 1000 st (Stone) | 6350.29 kg (Kilogram) |
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FAQ
How much is 1 Stone in Kilogram?
1 Stone = 6.350293 Kilogram.
How do I convert Stone to Kilogram?
Enter your value in Stone into the converter above and the result in Kilogram appears instantly. 1 st equals 6.350293 kg — just multiply your value by 6.350293.
What is the formula for Stone to Kilogram?
The formula is: value in Kilogram = value in Stone × 6.350293. For example, 5 st × 6.350293 = 31.751466 kg.
Is this Stone to Kilogram converter free and accurate?
Yes. This Stone to Kilogram converter is 100% free, uses the exact international conversion factor (6.350293), and works on any device with no signup.
How do I convert Kilogram back to Stone?
To convert back, divide by 6.350293 (or multiply by 0.157473). You can also use our dedicated How Many Stone in 1 Kilogram? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Weight & Mass units are supported?
This converter supports 8 units: Kilogram, Gram, Milligram, Metric Ton, Pound (lbs), Ounce (oz), Carat, Stone.