Furlong
Physical unit | |
---|---|
Unit name | Furlong |
Unit symbol | |
Physical quantity (s) | length |
Formula symbol | |
dimension | |
system | Anglo-American system of measurement |
In SI units | |
Named after | English Furlong , "furrow length" |
Derived from | Chain , Rod |
See also: yard |
The Furlong ( dt. " Furrows length ") is an old Anglo-American measure of length coming from the agriculture . It is not metric and therefore not SI conform .
definition
- 1 furlong = 10 chain = 40 rod = 220 yards = 660 feet (ft) = 7920 inches (in) = 201.168 meters
- 1 English Mile = 8 Furlong = 80 Chain = 320 Rod = 8000 Link
The old unit acre (4046.86 m²) corresponds to a strip-shaped field of 1 furlong × 0.1 furlong that a team of oxen could plow in about a day . The units morning and yoke , which are still alive in the rural population in Europe today, have similar dimensions .
use
The Furlong is used especially in Great Britain for the routes of horse races. The Ascot horse race goes over 20 furlongs and thus two and a half miles.
Scottish furlong
The old Scottish furlong deviated from the Anglo-American measure and was about 25 meters taller. The length of this furlong was 226.7671 meters. The conversion factor can be set at 1.127.
- 1 mile (bulkhead) = 8 furlongs = 1,814.1368 meters
literature
- Erna Padelt, Hansgeorg Laporte: Units and magnitudes of the natural sciences. Fachbuchverlag Leipzig, 1964, 1967, page 329.
Individual evidence
- ^ Christian Noback , Friedrich Eduard Noback : Complete paperback of the coin, measure and weight relationships. Volume 1, FA Brockhaus, Leipzig 1851, p. 228.