Weight Converter

Convert among kilograms, grams, milligrams, tonnes, pounds, ounces, and stones.

Mass
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Formula

kg = st × 6.35029318

Example

Example: convert 500 stones to kilograms.

500 st = 3175.14659 kg

Conversion table

stones (st) kilograms (kg)
1 st 6.35029318 kg
2 st 12.70058636 kg
5 st 31.7514659 kg
10 st 63.5029318 kg
20 st 127.0058636 kg
50 st 317.514659 kg
100 st 635.029318 kg

Explanation

Kilograms are the metric unit of mass used worldwide.

How to convert stones to kilograms

  1. Start with the value in stones (st).
  2. Multiply it by 6.35029318.
  3. The result is the measurement in kilograms (kg).

Example: 500 st → 3175.14659 kg

Frequently Asked Questions

How much is 500 stones in kilograms?

500 stones is about 3175.15 kilograms.

How many kilograms is 1 stone?

1 stone equals 6.35029318 kilograms.

How many stones is 1 kilogram?

1 kilogram is about 0.157473 stones.

What is the difference between stones and kilograms?

Both measure mass. The main difference is scale and common usage: {FromPlur} are used mainly in the UK and Ireland for body weight; {ToPlur} are used worldwide as the SI standard (science, shipping, labels, and body weight).

Where are stones and kilograms used?

In practice: {FromPlur} are used mainly in the UK and Ireland for body weight; {ToPlur} are used worldwide as the SI standard (science, shipping, labels, and body weight).

Why does 1 stone equal 6.35029318 kilograms?

Because 1 st = 14 lb and 1 lb = 0.45359237 kg. So 1 st = 14 × 0.45359237 = 6.35029318 kg.