Stone to kilograms (st to kg)

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1 st = 6.35029 kg. Type any value below to convert stone to kilograms instantly.

1 unit

1 st = 6.35029 kg

Formula: kg = st × 6.35029318

About st to kg

Go from a UK stone weight to kilograms for medication doses, gym apps, or forms outside the UK.

To convert, multiply the value in stone by 6.35029318. For example, 13 st = 82.5538 kg.

Stone: 14 pounds, about 6.35 kg; used for body weight in the UK and Ireland. Kilograms: the SI base unit of mass.

Stone to kilograms conversion table

Formula: kg = st × 6.35029318

StoneKilograms
6 st38.1018 kg
7 st44.4521 kg
8 st50.8023 kg
9 st57.1526 kg
10 st63.5029 kg
11 st69.8532 kg
12 st76.2035 kg
13 st82.5538 kg
14 st88.9041 kg
15 st95.2544 kg
16 st101.605 kg
17 st107.955 kg
18 st114.305 kg
20 st127.006 kg

Values rounded to 6 significant figures.

How to do it

  1. 1

    Type a value in stone in the converter above (it is preset to st → kg).

  2. 2

    Read the result instantly; tap Swap units to convert the other way.

  3. 3

    Use the table for common values or the formula kg = st × 6.35029318 to convert by hand.

Frequently Asked Questions

How many kilograms are in one stone?

1 st = 6.35029 kg.

How do I convert stone to kilograms?

Use kg = st × 6.35029318. For example, 13 st = 82.5538 kg.

Is the converter accurate?

It uses the exact international definitions of each unit and shows up to six significant figures.

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