How long is a mile in feet and kilometres?
The international mile is exactly 1,609.344 metres, equal to 5,280 feet or 1,760 yards. For everyday use, five miles equates roughly to eight kilometres.
Questions about Mile
Short answers, pulled from the story.
When was the statute mile established in England?
The English statute mile was established by a Weights and Measures Act of Parliament in 1593, during the reign of Queen Elizabeth I. The statute set a mile at eight furlongs, every furlong forty poles, and every pole sixteen feet and a half, giving 5,280 feet.
What is the difference between the international mile and the US survey mile?
The US survey mile is about 3.219 millimetres longer than the international mile, a difference of two parts per million. One international mile equals 0.999998 US survey miles, so the gap matters only across long distances such as State Plane Coordinate Systems.
How long is a nautical mile and why is it different?
The international nautical mile has been defined since 1929 as exactly 1,852 metres, set by the First International Extraordinary Hydrographic Conference in Monaco. It originated as one minute of arc along a meridian of the Earth, which is why it differs from the land mile.
Why is a Scandinavian mile 10 kilometres?
The Scandinavian mile is standardised as 10 kilometres because it descends from the old Swedish unit mile of 36,000 Swedish feet, set in 1649, which was already close to that length. Norway, Sweden, and Finland redefined their miles to 10 kilometres upon metrification in the late 19th century.
Which countries still use the mile?
The international mile is still used in countries such as Liberia, Myanmar, the United Kingdom, and the United States. It also persists in a number of small territories with fewer than a million inhabitants, most of which are UK or US territories or have close historical ties to the UK or US.
Where does the word mile come from?
The word mile derives from Middle English myle and Old English mīl, which trace back to the Roman mille passus, meaning a mile of one thousand paces. The Roman mile measured a thousand paces counted every other step, equal to 5,000 Roman feet.