Stone to kilograms (st to kg)

One stone is exactly 6.35029 kg (14 pounds). Body weight in the UK and Ireland is still quoted this way: 11 stone is about 69.9 kg, and 14 stone is 88.9 kg. Multiply by 6.35 for a quick conversion.

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Kilograms (kg) -

kilograms = stone x 6.35029

Going the other way? Use the kg to st converter.

st to kg conversion table

Stone (st)Kilograms (kg)
8 50.8
9 57.15
10 63.5
11 69.85
12 76.2
13 82.55
14 88.9
15 95.25
16 101.6
20 127.01

How to convert stone to kilograms

The formula is kilograms = stone x 6.35029. Type any value into the converter above for an exact result, or use the table for the most common conversions. For other units, the full weight converter handles every combination, and the unit converter covers length, weight, temperature, speed, area, volume and data in one place.

Frequently asked questions

How many kilograms are in 1 stone?
1 st = 6.35029 kg. The formula is kilograms = stone x 6.35029; the converter applies it to whatever you type and rounds only for display.
What is 13 st in kg?
13 st = 82.55 kg, using kilograms = stone x 6.35029.
How do I convert kilograms back to stone?
Use stone = kilograms ÷ 6.35029. For example, 75 kg = 11.81 st. The kg to st converter does this for you.