Convert kg to stone
Enter the value to convert from kilogram to stone.
How to Convert Kilogram to Stone
Converting kilogram to stone is straightforward using our conversion calculator.
Conversion Formula
st = kg ÷ 6.3502932Reverse conversion: Convert stone to kg
Comparison: Kilogram vs Stone
When to Use Each Unit
Kilogram: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Stone: Still used in the United Kingdom and Ireland for measuring human body weight, though metric is officially preferred.
Common Conversion Values
- 1 kg = 1000 g
- 1 kg ≈ 2.205 lb
- 1 kg ≈ 35.27 oz
- 1 kg ≈ 0.157 stone
About Kilogram
Definition: The kilogram (symbol: kg) is the SI base unit of mass, defined by fixing the Planck constant to exactly 6.62607015 × 10⁻³⁴ J⋅s.
History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 using fundamental physical constants.
Current Use: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Examples: Human weight: 50-100 kg, bag of flour: 1-5 kg, car weight: 1000-2000 kg, laptop: 1-3 kg
About Stone
Definition: The stone is a British imperial unit equal to 14 pounds or approximately 6.35 kilograms, traditionally used for body weight.
History: Medieval English unit based on standardized stone weights used in markets. Varied by region until standardization.
Current Use: Still used in the United Kingdom and Ireland for measuring human body weight, though metric is officially preferred.
Examples: Human weight: 8-20 stones, weight loss: measured in stones and pounds, medical records in UK