Kilograms to Stone Converter
1 kilogram = 0.157473 stone
The kilogram and the stone are both essential units in mass and weight measurement. The stone has been used in the British Isles since the 14th century for trade goods. Since 1 kg equals 0.157473 st, understanding this relationship is valuable for anyone working in shipping and logistics or science.
Did you know? Did you know? The stone has been used in the British Isles since the 14th century for trade goods. A liter of water weighs exactly 1 kilogram, and professionals in cooking regularly need to convert between these units.
Conversion Formula
stone = kilograms / 6.35029
To convert kilograms to stone, divide by 6.35029. Since 1 stone = 6.35029 kg, dividing kilograms by this value gives the weight in stone.
Kilograms to Stone Table
| Kilograms (kg) | Stone (st) |
|---|---|
| 50 | 7.874 |
| 55 | 8.661 |
| 60 | 9.449 |
| 65 | 10.236 |
| 70 | 11.023 |
| 75 | 11.811 |
| 80 | 12.598 |
| 85 | 13.386 |
| 90 | 14.173 |
| 100 | 15.748 |
About Kilograms to Stone
Converting kilograms to stone is most relevant when communicating body weight in the UK or Ireland, where the stone remains the preferred unit in everyday conversation.
If you weigh 75 kg, that's 11 stone 11.5 lbs (11.81 stone). A person at 90 kg is 14 stone 2.4 lbs. Knowing your weight in stone is useful when visiting British doctors, joining UK-based fitness communities, or understanding UK health media.
The NHS weight management guidelines reference stone. Being overweight is defined relative to BMI thresholds, and British health articles will say something like "losing 2 stone (12.7 kg) reduced his blood pressure significantly."
In practice, Brits express weight in stone and pounds, not decimal stone. So 80 kg is not "12.598 stone" but rather "12 stone 8 lbs." To convert: divide kg by 6.35029 to get stone, take the decimal part, and multiply by 14 to get the remaining pounds.
British sports commentary uses stone too. A rugby forward weighing 110 kg would be described as "17 stone 4" in UK media. Jockeys in horse racing have strict weight limits around 8-9 stone (50.8-57.2 kg).
For a quick mental estimate, divide kg by 6.35, or roughly divide by 6 and subtract a little.
Frequently Asked Questions
How many stone is 80 kg?
80 kg equals 12.598 stone, which is 12 stone 8.4 lbs (12 st 8 lb).
How do I convert kg to stone and pounds?
Divide kg by 6.35029 to get stone. Take the whole number as stone, then multiply the remainder by 14 to get pounds. Example: 75 kg / 6.35029 = 11.81 stone = 11 stone and 0.81 x 14 = 11.3 lbs.
What is 100 kg in stone?
100 kg equals 15.748 stone, which is 15 stone 10.5 lbs.
Is the stone used outside the UK?
The stone is primarily used in the UK and Ireland. Australia, New Zealand, and Canada have fully adopted kilograms, while the US uses pounds. The stone is rarely encountered outside the British Isles.