What Is a Stone to Kilograms Converter?
A Stone to Kilograms Converter converts a weight measured in stone (st) into kilograms (kg). It provides a fast way to compare weights between the stone system and the metric system.
The stone is still commonly encountered in the United Kingdom and Ireland for some everyday body-weight measurements, while kilograms are widely used internationally.
Stone to Kilograms Formula
Kilograms = Stone × 6.35029318
One stone equals 14 international avoirdupois pounds. Because one pound equals exactly 0.45359237 kilograms, one stone equals exactly 6.35029318 kilograms.
How to Convert Stone to Kilograms
Enter Stone
Enter the weight you want to convert in stone.
Multiply
Multiply the stone value by 6.35029318.
Get Kilograms
The result is the equivalent weight in kilograms.
Stone to Kilograms Conversion Example
Suppose you want to convert 10 stone to kilograms.
Example: Convert 10 st to kg
Therefore, 10 st ≈ 63.5029 kg.
Stone to Kilograms Conversion Table
The following table shows common stone values converted into kilograms.
| Stone (st) | Kilograms (kg) |
|---|---|
| 1 st | 6.3503 kg |
| 2 st | 12.7006 kg |
| 3 st | 19.0509 kg |
| 5 st | 31.7515 kg |
| 7 st | 44.4521 kg |
| 8 st | 50.8023 kg |
| 9 st | 57.1526 kg |
| 10 st | 63.5029 kg |
| 11 st | 69.8532 kg |
| 12 st | 76.2035 kg |
| 13 st | 82.5538 kg |
| 14 st | 88.9041 kg |
| 15 st | 95.2544 kg |
| 20 st | 127.0059 kg |
How Many Kilograms Are in One Stone?
One stone equals exactly 6.35029318 kilograms. For quick everyday calculations, this is often rounded to approximately 6.35 kg.
1 Stone
1 stone equals exactly 14 international avoirdupois pounds.
1 Stone in Kilograms
1 stone equals exactly 6.35029318 kilograms.
How to Convert Kilograms Back to Stone
To convert kilograms to stone, divide the kilogram value by 6.35029318.
Stone = Kilograms ÷ 6.35029318
For example, 70 kilograms divided by 6.35029318 equals approximately 11.0231 stone.
Stone, Kilograms and Pounds
Stone and Pounds
One stone contains exactly 14 pounds, making conversion between these two units straightforward.
Kilograms
The kilogram is the SI base unit of mass and is used internationally in science and everyday measurements.
Common Stone to Kilogram Equivalents
| Stone | Pounds | Kilograms |
|---|---|---|
| 5 st | 70 lb | 31.7515 kg |
| 8 st | 112 lb | 50.8023 kg |
| 10 st | 140 lb | 63.5029 kg |
| 12 st | 168 lb | 76.2035 kg |
| 14 st | 196 lb | 88.9041 kg |
| 20 st | 280 lb | 127.0059 kg |
Where Is Stone to Kilograms Conversion Useful?
- Converting weight measurements between UK and metric units.
- Understanding international weight information.
- Converting sports and fitness measurements.
- Comparing product or equipment specifications.
- Travel and international measurement conversion.
- School and educational unit-conversion problems.
For a quick estimate, multiply stone by about 6.35. For higher precision, use 6.35029318 kilograms per stone.
Common Stone to Kilograms Conversion Mistakes
- Confusing stone with pounds.
- Assuming one stone equals 10 pounds instead of 14 pounds.
- Dividing instead of multiplying when converting stone to kilograms.
- Using the stone-to-kilogram formula in the reverse direction.
- Rounding the conversion factor too early when precision matters.
Stone to Kilograms Converter FAQs
Multiply the number of stone by 6.35029318 to calculate kilograms.
One stone equals exactly 6.35029318 kilograms.
10 stone equals approximately 63.5029 kilograms.
12 stone equals approximately 76.2035 kilograms.
One stone equals exactly 14 pounds.
Divide the kilogram value by 6.35029318 to calculate stone.