Kilograms to Stones Converter
Enter the weight in kilograms below to convert it to stones.
Convert Kilograms to Stones
Enter a value in kilograms (kg) to convert to stones (st).
Kilogram to Stone Conversion Table
Table showing various kilogram measurements converted to stones. Click any preset value or arrow to load it into the converter.
| Kilograms (kg) | Stones (st) |
|---|---|
| 1 kg | 0.157473 st |
| 2 kg | 0.3149461 st |
| 5 kg | 0.7873652 st |
| 10 kg | 1.5747304 st |
| 15 kg | 2.3620957 st |
| 20 kg | 3.1494609 st |
| 25 kg | 3.9368261 st |
| 30 kg | 4.7241913 st |
| 37.5 kg | 5.9052392 st |
| 50 kg | 7.8736522 st |
How to Convert Kilograms to Stones
To convert kilograms to stones, multiply the weight by the following conversion ratio: 0.157473 stones/kilogram.
Since one kilogram is equal to 0.157473 stones, you can use this simple formula to convert:
The weight in stones is equal to the weight in kilograms multiplied by 0.157473.
For example, here's how to convert 75 kilograms to stones using the formula above.
How Many Stones Are in a Kilogram?
There are 0.157473 stones in a kilogram, which is why we use this value in the formula above.
Our kilogram to stone calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Kilograms and stones are both units used to measure weight. Keep reading to learn more about each unit.
What Is a Kilogram?
The fundamental SI unit of mass. It serves as a primary reference unit for measuring weight across scientific and practical applications. [1]
The kilogram is classified as an International System of Units (SI) unit of weight. Kilograms can be abbreviated as kg; for example, 1 kilogram can be written as 1 kg.
Although the name "kilogram" begins with the SI prefix "kilo" (1,000 grams), the kilogram (kg) is the sole SI base unit whose definition includes a prefix for historical reasons established by the BIPM.
In practice, kilograms (kg) are widely used across standard weight applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Stone?
A stone is a unit of weight equal to 6.3502932 kilograms (kg), the base unit for weight. British imperial unit equal to 14 pounds (6.35029 kg). [2]
The stone is classified as a US customary and imperial unit of weight. Stones can be abbreviated as st; for example, 1 stone can be written as 1 st.
When working with stones (st) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, stones (st) are widely used across standard weight applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting weight between kilograms (kg) and stones (st), keep full floating-point precision (1 kg = 0.157473 st; 1 st = 6.3502932 kg) during intermediate calculations and round only the final stone figure to match your instrument tolerance.
More Kilogram & Stone Conversions
Need to calculate in the opposite direction? Use our stones to kilograms converter (st to kg) to switch your starting unit immediately. You can also explore related tools such as converting pounds to stones, converting kilograms to pounds, or converting kilograms to grams.
Convert from Kilograms
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Kilograms (kg) to Stones (st)
- [2]NIST HB 44 SpecificationNIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Kilogram (kg) & Stone (UK) (st)
- [3]BIPM ReferenceBIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (kg to st)