Convert stone to kg
Enter the value to convert from stone to kilogram.
OR
158 kilograms 757.3 grams
How to Convert Stone to Kilogram
Converting stone to kilogram is straightforward using our conversion calculator.
Conversion Formula
kg = st × 6.35029318Reverse conversion: Convert kg to stone
Comparison: Stone vs Kilogram
When to Use Each Unit
Stone: Still used in the United Kingdom and Ireland for measuring human body weight, though metric is officially preferred.
Kilogram: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Common Conversion Values
- 1 stone = 14 lb
- 1 stone ≈ 6.35 kg
- 1 stone ≈ 6,350 g
- 1 stone = 224 oz
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
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