Convert Kilogram to Stone (UK)
Convert kilograms to stones (uk) instantly. 1 kilogram = 0.1574730444 stone (uk) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Stone (UK) to Kilogram converter for the reverse conversion.
Units explained
Kilogram
The kilogram (kg) is the SI base unit of mass, defined by fixing the Planck constant h at 6.62607015E-34 J s.
From Greek 'khilioi' (thousand) plus 'gramma' (small weight).
The worldwide base unit of mass in science, commerce, and everyday life.
Adopted in 1795; redefined through the Planck constant on 20 May 2019.
Stone (UK)
The UK stone (st) equals 14 pounds, about 6.35 kilograms.
From standardized market 'stones' once used for weighing goods.
Body weight in the United Kingdom and Ireland.
Fixed at 14 pounds by British statute in 1835.
Kilogram to Stone (UK) conversion formula
The relationship between kilograms and stones (uk):
To convert kilograms to stones (uk), multiply the value in kilograms by 0.1574730444. To reverse, multiply stones (uk) by 6.35029318.
How to use this converter
Type a value into the calculator. The result in stones (uk) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Stone (UK) to Kilogram converter for the reverse direction.
Step-by-step: convert kilograms to stones (uk)
- Write down the value in kilograms (kg).
- Multiply that value by the factor 0.1574730444.
- The product is the equivalent value in stones (uk) (st).
- To reverse, multiply the stone (uk) value by 6.35029318.
Worked examples
Example 1 — Convert 1 kg to st:
1 × 0.1574730444 = 0.1574730444 st
Example 2 — Convert 100 kg to st:
100 × 0.1574730444 = 15.7473044418 st
Real-world example — Reference scenario in case of fallback
Conversion between human-scale length units is the everyday workflow of architecture, athletics, and apparel design — three of the most common contexts that span metric and imperial systems.
1 kg × 0.1574730444 = 0.1574730444 st
Real-world example — Adult height conversion
A 1.8-kilogram-tall person measures a value in stones (uk) that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.
1.8 kg × 0.1574730444 = 0.28345148 st
Real-world example — Fabric purchase length
Two kilograms of fabric equals a value in stones (uk) essential for tailors and textile buyers sourcing material from international suppliers that quote in different units.
2 kg × 0.1574730444 = 0.3149460888 st
Kilogram to Stone (UK) conversion table
Standard reference values for converting kilograms to stones (uk):
| Kilogram [kg] | Stone (UK) [st] |
|---|---|
| 0.01 | 0.0015747304 |
| 0.1 | 0.0157473044 |
| 1 | 0.1574730444 |
| 2 | 0.3149460888 |
| 3 | 0.4724191333 |
| 4 | 0.6298921777 |
| 5 | 0.7873652221 |
| 10 | 1.5747304442 |
| 20 | 3.1494608884 |
| 30 | 4.7241913325 |
| 40 | 6.2989217767 |
| 50 | 7.8736522209 |
| 100 | 15.7473044418 |
| 500 | 78.7365222089 |
| 1000 | 157.4730444178 |
Frequently asked questions
How many stones (uk) is 1 kilogram?
How do I convert kilograms to stones (uk)?
How do I convert stones (uk) back to kilograms?
How many stones (uk) is 100 kilograms?
Popular weight unit conversions
Convert Kilogram to other weight units
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Metric / SI (17 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 kg = 0.1574730444 st) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.