Stone to Kilogram Converter
Convert stones to kilograms (st to kg) instantly with this free online weight converter. Enter any value in the Stone field and get the equivalent in Kilogram immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.
The conversion factor is exact: 1 st = 6.35029 kg. To convert stones to kilograms, multiply your Stone value by 6.35029. For example, 10 st = 63.5029 kg. You can also reverse the calculation: 1 kg = 0.1574731233 st.
Quick conversion table
| Stone (st) | Kilogram (kg) |
|---|---|
| 1 st | 6.35029 kg |
| 5 st | 31.75145 kg |
| 10 st | 63.5029 kg |
| 25 st | 158.75725 kg |
| 50 st | 317.5145 kg |
| 100 st | 635.029 kg |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the weight category.
Formula
Stone to Kilogram conversion: 1 st = 6.35029 kg kilograms = stones × 6.35029 1 kg = 0.1574731233 st stones = kilograms × 0.1574731233
Example
Example: Convert 10 st to kg: 10 st × 6.35029 = 63.5029 kg So, 10 st is about 63.5029 kg. To convert back, multiply by 0.1574731233: 63.5029 kg × 0.1574731233 = 10 st.
How to Use
- Enter the value you want to convert in the Stone field
- The result in Kilogram appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert stones to kilograms?
Enter the value in Stone (st) in the 'From' field. The equivalent in Kilogram (kg) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert st to kg?
1 st = 6.35029 kg, so kilograms = stones × 6.35029. To convert back, 1 kg = 0.1574731233 st. The full formula and a worked example are shown on this page.
How many kilograms are in one Stone?
1 st = 6.35029 kg.
Is this Stone to Kilogram converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert kilograms back to stones?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other weight unit for either field.
How accurate is the st to kg conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.