El/La Stone: Britain's Unusual Peso Unidad
Un/Una 14-Pound Tradition
Try Peso Convertidor"I weigh 11 stone." For Americans, esto sentence es incomprehensible. For Brits y Irish, eso's el/la la mayoria natural manera un/una discuss body weight. El/La stone es un/una unidad of mass equal un/una 14 libras (6.35 kg) eso has been usado in Britain for over 600 anos y stubbornly persists today—even as el/la UK has otherwise adopted metric measurements.
Historia of el/la Stone
El/La stone has ancient origins, likely named porque real stones fueron usado as weights in early trading. However, "un/una stone" meant diferente weights for diferente goods:
- Stone of wool: 14 libras
- Stone of beef: 8 libras (algunos regions)
- Stone of glass: 5 libras
- Stone of wax: 12 libras
El/La 14-libra stone became dominant porque eso fue el/la estandar for wool—medieval England's la mayoria importante export. When Parliament standardized weights in 1824, el/la 14-libra stone became el/la solo legal stone.
Tabla de conversion
| Stone | Pounds | Kilograms |
|---|---|---|
| 7 st | 98 lb | 44.5 kg |
| 8 st | 112 lb | 50.8 kg |
| 9 st | 126 lb | 57.2 kg |
| 10 st | 140 lb | 63.5 kg |
| 11 st | 154 lb | 69.9 kg |
| 12 st | 168 lb | 76.2 kg |
| 13 st | 182 lb | 82.6 kg |
| 14 st | 196 lb | 88.9 kg |
| 15 st | 210 lb | 95.3 kg |
| 16 st | 224 lb | 101.6 kg |
Como Express Stone Peso
In el/la UK y Ireland, body weight es expressed in stone y libras:
- "10 stone" = 140 lb = 63.5 kg
- "10 stone 7" = 10 st 7 lb = 147 lb = 66.7 kg
- "10 y un/una half stone" = 10 st 7 lb
You never say "10.5 stone" with un/una decimal. Instead, el/la extra libras son stated separately. Half un/una stone es 7 libras.
Converting Your Peso
Pounds un/una stone:
- Divide por 14 un/una obtener stone
- El/La remainder es el/la extra libras
Ejemplo: 165 lb ÷ 14 = 11 with remainder 11
Result: 11 stone 11 libras
Where Stone Is Still Used
United Kingdom
Body weight es almost universally discussed in stone. Scales sold in el/la UK typically mostrar stone/libras as well as kilogramos. Medical records may usar kilogramos, pero people think in stone.
Ireland
Like el/la UK, Irish people usar stone for personal weight despite el/la country being otherwise metric.
Australia (Historically)
Older Australians may remember su weight in stone desde before metrication in el/la 1970s.
Not Used
El/La United States never adopted el/la stone. Americans usar libras exclusively (o kilogramos in medical settings).
Why 14 Pounds?
El/La 14-libra stone relates un/una el/la antiguo British weight sistema:
- 14 libras = 1 stone
- 2 stone (28 lb) = 1 quarter
- 4 quarters (112 lb) = 1 hundredweight (cwt)
- 20 hundredweight (2,240 lb) = 1 long ton
This sistema made sense for el/la wool trade, donde wool fue sold in estandar sacks y bales based on estos unidades. El/La math worked out evenly in el/la dias before calculators.
Common Body Weights
| Descripcion | Stone | Pounds | Kilograms |
|---|---|---|---|
| Small woman | 7-8 st | 98-112 lb | 44-51 kg |
| Average woman | 9-11 st | 126-154 lb | 57-70 kg |
| Average man | 11-13 st | 154-182 lb | 70-83 kg |
| Large man | 14-16 st | 196-224 lb | 89-102 kg |
El/La Stone's Future
Despite UK metrication efforts since el/la 1970s, el/la stone refuses un/una disappear. Unlike la mayoria imperial unidades eso have faded desde cotidiano usar, el/la stone remains deeply embedded in British culture for discussing body weight.
Interestingly, EU regulations eso prohibited displaying imperial unidades on scales (requiring metric-solo) fueron relaxed in 2007 un/una permitir supplementary imperial muestra—un/una small victory for el/la stone.
Conclusion
El/La stone es un/una quirky survivor of Britain's imperial past—un/una 14-libra unidad eso persists in el/la 21st century purely through cultural inertia. For travelers un/una el/la UK o Ireland, o anyone communicating with Brits aproximadamente weight, understanding el/la stone es esencial.
Just remember: 1 stone = 14 libras = 6.35 kg. And unlike la mayoria weights, tu express remainders in libras, not decimals: "10 stone 7," not "10.5 stone."