Authoritative definitions of the International System of Units and SI prefixes.
Dedicated unit pair
Kilograms to Stone
Convert kg to st instantly, then review the formula, assumptions, and rounding guidance.
Weight & massInstant result
Decimals
Formula result = input × 1 ÷ 6.35029318. 1 kg = 0.1575 st
Common examples
One value, several units
Grams1,000 g
Milligrams1,000,000 mg
Metric tonnes0.001 t
Pounds2.2046 lb
Ounces35.274 oz
Stone0.1575 st
Conversion table
| kg | st |
|---|---|
| 1 kg | 0.1575 st |
| 2 kg | 0.3149 st |
| 5 kg | 0.7874 st |
| 10 kg | 1.5747 st |
| 25 kg | 3.9368 st |
| 50 kg | 7.8737 st |
| 100 kg | 15.7473 st |
Conversion chart
1 kg0.1575 st
5 kg0.7874 st
10 kg1.5747 st
25 kg3.9368 st
50 kg7.8737 st
Worked example
1 kilogram equals 2.20462 pounds.
Unit definition
Kilograms (kg) One kilograms equals 1 kilogram.
Unit history
The kilogram began with the metric system and was redefined in 2019 through a fixed value of the Planck constant.
Step by step
1. Parse the value, including fractions.
2. Convert kg to kilogram.
3. Convert the base value to st and apply your display precision.
Understand the result before using it
Kilograms to Stone converts a value measured in Kilograms (kg) into the equivalent value in Stone (st). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 1 ÷ 6.35029318
Assumptions
- Kilograms and Stone represent the same weight & mass quantity.
- The input is expressed in kg; the output is expressed in st.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 kg = 0.157473044418 st. For another value, apply the same relationship and round only to the precision your source measurement supports.
When to use it
Good uses
- Read a kg measurement in a document that expects st.
- Compare a kilograms value with a value reported in stone.
- Check the kg-to-st arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- Everyday language often says weight, but these units represent mass. Force requires a local gravitational acceleration.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert Kilograms to Stone?
result = input × 1 ÷ 6.35029318 Using the displayed relationship, 1 kg equals 0.157473044418 st.
How many Stone are in one Kilograms?
One Kilograms is 0.157473044418 Stone. The displayed digits may be rounded.
Can I reverse the kg to st conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts st back to kg.
Is the Kilograms to Stone result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.