Stone is a unit used in mass conversions and practical measurement work.
The stone of 14 pounds (6.35 kg) was standardized in Britain in the 19th century and is still used in the UK and Ireland for body weight.
Measurement system: Metric, customary and historical mass-measurement usage. SI equivalent: 1 st = 6.35029318 kg.
Stone facts
- Unit name
- Stone
- Symbol
- st
- Category
- Mass
- Measurement system
- Metric, customary and historical mass-measurement usage
- SI equivalent
- 1 st = 6.35029318 kg
- Common uses
- Products, material quantities, scientific work and trade
Definition of the stone
Stone is a unit used in mass conversions and practical measurement work.
Measurement system and SI relationship
Metric, customary and historical mass-measurement usage
SI equivalent: 1 st = 6.35029318 kg
History of the stone
The stone of 14 pounds (6.35 kg) was standardized in Britain in the 19th century and is still used in the UK and Ireland for body weight.
Where is the stone used?
Products, material quantities, scientific work and trade