DevToolPal
EN

Weight

Stone to kg Converter

Convert stone (st) to kilograms (kg). 1 st = 6.35029318 kg, and 1 kg = 0.1574730444 st.

1 st = 6.35029318 kg

Open in Unit Converter

Formula

kg = st × 6.35029318

How to convert

To convert stone to kilograms, multiply the value by 6.35029318. For example, 5 st = 31.7514659 kg.

Conversion table

Stone (st) kg
1 st 6.35029318 kg
5 st 31.7514659 kg
8 st 50.80234544 kg
9 st 57.15263862 kg
10 st 63.5029318 kg
11 st 69.85322498 kg
12 st 76.20351816 kg
13 st 82.55381134 kg
14 st 88.90410452 kg
15 st 95.2543977 kg
20 st 127.0058636 kg

About these units

The kilogram is the SI unit of mass, and 1 kg = 1,000 g. The international avoirdupois pound is defined as exactly 0.45359237 kg, an ounce is 1/16 pound (28.349523125 g), and a stone, still common for body weight in the UK and Ireland, is 14 pounds (6.35029318 kg). Troy ounces, used for precious metals, are heavier (31.1035 g) and are not used here.

FAQ

› How do I convert st to kg?

1 st = 6.35029318 kg. To convert, multiply the value by 6.35029318: 5 st = 31.7514659 kg.

› What is 1 kg in st?

1 kg = 0.1574730444 st. The reverse formula is st = kg ÷ 6.35029318.

› How many pounds are in a kilogram?

1 kg is about 2.20462 lb. For a quick estimate, double the kilograms and add 10%.

› Is a fluid ounce the same as an ounce?

No. An ounce (oz) measures weight and a fluid ounce (fl oz) measures volume. They only roughly match for water.