Stones Conversion

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Stones

Abbreviation/Symbol:

st

Unit of:

Mass

Weight (in non-scientific affairs)

Wordwide use:

The stone is now used almost exclusively in the UK and Ireland, as a popular – if informal – way of expressing a person’s weight. The stone has not been officially recognised as a unit of weight in the UK since 1985.

A British or Irish person will commonly express their weight in stone and pounds (eg. 12 st 6 lbs) instead of purely in pounds as would be the case in the United States (174 lbs).

The stone is still habitually used to express human bodyweight in some sports in the UK and Ireland, such as boxing and wrestling.

The stone is also used in horse racing to describe the weight that a horse has to carry (not necessarily just the jockey, this weight can also include penalties and suchlike).

Definition:

A stone is a unit of weight equal to 14 pounds averdupois (or international lbs). By turn, this makes a stone equivalent to 6.35029kg.

Origin:

The name ‘stone’ derives from the practice of using stones as weights, a common practice worldwide for two millennia or more.

The actual unit of the stone was commonly used as a measure of weight for trade purposes across Europe until the 19th century when most countries adopted the metric system, however, the actual weight of the stone varied from country to country, region to region, and even depending on what was being weighed or traded.

In 1389 in England a stone of wool was defined as weighing fourteen pounds, and although a stone of other materials could weigh significantly more or less (in pounds), the stone in general usage became accepted as weighing equal to 14 lbs.

Common references:

A 5ft 8in (173cm) tall woman of average build would be expected to weigh between eight and twelve stone.

A 6ft 0in (183cm) tall man of average build would normally weigh between ten and thirteen stone.

Usage context:

The stone is now used almost exclusively in the UK and Ireland, as a popular – if informal – way of expressing a person’s weight. The stone has not been officially recognised as a unit of weight in the UK since 1985.

A British or Irish person will commonly express their weight in stone and pounds (eg. 12 st 6 lbs) instead of purely in pounds as would be the case in the United States (174 lbs).

The stone is still habitually used to express human bodyweight in some sports in the UK and Ireland, such as boxing and wrestling.

The stone is also used in horse racing to describe the weight that a horse has to carry (not necessarily just the jockey, this weight can also include penalties and suchlike).

Weight conversion Stones to Pounds Stones to Ounces Stones to Kilograms Stones to Grams Stones to Milligrams Stones to Carats Stones to Micrograms Stones to Long Tons (UK) Stones to Short Tons (US) Stones to Short Hundredweights (US) Stones to Long Hundredweights (UK) Stones to Troy Pounds Stones to Troy Ounces Stones to Pennyweights Stones to Grains Stones to Ton Stones to Hundredweights Stones to Metric Tons (or Tonnes) Kilograms to Pounds Pounds to Kilograms Kilograms to Stones Grams to Ounces Ounces to Grams Pounds to Ounces Ounces to Pounds Pounds conversion Ounces conversion Kilograms conversion Grams conversion Milligrams conversion Carats conversion Micrograms conversion Long Tons (UK) conversion Short Tons (US) conversion Short Hundredweights (US) conversion Long Hundredweights (UK) conversion Troy Pounds conversion Troy Ounces conversion Pennyweights conversion Grains conversion Ton conversion Hundredweights conversion Metric Tons (or Tonnes) conversion Temperature conversion Length conversion Area conversion Volume conversion Speed conversion Time conversion Angle conversion Pressure conversion Energy and Power conversion iPhone and Android app Metric Conversion Table