## Unit Converter

## Convert 221 Stones to Kilograms

To calculate 221 Stones to the corresponding value in Kilograms, multiply the quantity in Stones by 6.35029318 (conversion factor). In this case we should multiply 221 Stones by 6.35029318 to get the equivalent result in Kilograms:

221 Stones x 6.35029318 = 1403.41479278 Kilograms

**221 Stones is equivalent to 1403.41479278 Kilograms.**

## How to convert from Stones to Kilograms

The conversion factor from Stones to Kilograms is 6.35029318. To find out how many Stones in Kilograms, multiply by the conversion factor or use the Mass converter above. Two hundred twenty-one Stones is equivalent to one thousand four hundred three point four one five Kilograms.

## Definition of Stone

The stone or stone weight (abbreviation: st) is an English and imperial unit of mass now equal to 14 pounds (6.35029318 kg). England and other Germanic-speaking countries of northern Europe formerly used various standardised "stones" for trade, with their values ranging from about 5 to 40 local pounds (roughly 3 to 15 kg) depending on the location and objects weighed. The United Kingdom's imperial system adopted the wool stone of 14 pounds in 1835.

## Definition of Kilogram

The kilogram (or kilogramme, SI symbol: kg), also known as the kilo, is the fundamental unit of mass in the International System of Units. Defined as being equal to the mass of the International Prototype Kilogram (IPK), that is almost exactly equal to the mass of one liter of water. The kilogram is the only SI base unit using an SI prefix ("kilo", symbol "k") as part of its name. The stability of kilogram is really important, for four of the seven fundamental units in the SI system are defined relative to it.

## Using the Stones to Kilograms converter you can get answers to questions like the following:

- How many Kilograms are in 221 Stones?
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- How to convert 221 Stones to Kilograms?
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