Miles per hour

Last updated

miles per hour
1974 MG MGB GT - Flickr - The Car Spy (14).jpg
Speedometer, indicating speed in miles per hour
General information
Unit system Imperial, United States customary units
Unit of speed
Symbolmph
Conversions
1 mph in ...... is equal to ...
    km/h    1.609344
    m/s    0.44704

Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom, the United States, and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.

Contents

Usage

Speed limit units on traffic signs around the world:
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Kilometres per hour (km/h)
Miles per hour (mph)
Both
none known World Map of Speed Limit Units on Traffic Signs.svg
Speed limit units on traffic signs around the world:
  Kilometres per hour (km/h)
  Miles per hour (mph)
  Both
  none known
50 mph speed limit sign in the United Kingdom UK 50 mph speed limit sign.jpg
50 mph speed limit sign in the United Kingdom
65 mph speed limit sign in the United States 2014-08-19 11 59 11 Speed limit 65 miles per hour sign along northbound Nevada State Route 225 (Mountain City Highway) about 10.9 miles north of Nevada State Route 535 (Idaho Street) in Elko County, Nevada.JPG
65 mph speed limit sign in the United States

Road traffic

Speed limits and road traffic speeds are given in miles per hour in the following jurisdictions:

Rail networks

Miles per hour is the unit used on the US, Canadian and Irish rail systems. [32] [33] [34] Miles per hour is also used on British rail systems, excluding trams, some light metro systems, the Channel Tunnel and High Speed 1. [35]

Nautical and aeronautical usage

Nautical and aeronautical applications favour the knot as a common unit of speed. (One knot is one nautical mile per hour, with a nautical mile being exactly 1,852 metres or about 6,076 feet.)

Other usage

In some countries mph may be used to express the speed of delivery of a ball in sporting events such as cricket, tennis and baseball.

Conversions

1 mph= 0.44704  m/s (exactly)
= 1.609344  km/h (exactly)
Conversions between common units of speed
m/s km/h mph (mi/h) knot fps (ft/s)
1 m/s = 13.6000002.236936*1.943844*3.280840*
1 km/h = 0.277778*10.621371*0.539957*0.911344*
1 mph (mi/h) = 0.447041.60934410.868976*1.466667*
1 knot = 0.514444*1.8521.150779*11.687810*
1 fps (ft/s) = 0.30481.097280.681818*0.592484*1

(* = approximate values)

See also

Related Research Articles

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<span class="mw-page-title-main">Speed limit</span> Maximum legal speed of vehicles

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<span class="mw-page-title-main">High Speed 1</span> High-speed railway linking London with the Channel Tunnel

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<span class="mw-page-title-main">West Coast Main Line</span> Railway route in Britain

The West Coast Main Line (WCML) is one of the most important railway corridors in the United Kingdom, connecting the major cities of London and Glasgow with branches to Birmingham, Manchester, Liverpool and Edinburgh. It is one of the busiest mixed-traffic railway routes in Europe, carrying a mixture of intercity rail, regional rail, commuter rail and rail freight traffic. The core route of the WCML runs from London to Glasgow for 400 miles (644 km) and was opened from 1837 to 1881. With additional lines deviating to Northampton, Birmingham, Manchester, Liverpool and Edinburgh, this totals a route mileage of 700 miles (1,127 km). The Glasgow–Edinburgh via Carstairs line connects the WCML to Edinburgh. However, the main London–Edinburgh route is the East Coast Main Line. Several sections of the WCML form part of the suburban railway systems in London, Coventry, Birmingham, Manchester, Liverpool and Glasgow, with many more smaller commuter stations, as well as providing links to more rural towns.

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<span class="mw-page-title-main">East Coast Main Line</span> Railway link between London and Edinburgh and London and Leeds

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<span class="mw-page-title-main">Speed limits in the United States</span>

In the United States, speed limits are set by each state or territory. States have also allowed counties and municipalities to enact typically lower limits. Highway speed limits can range from an urban low of 25 mph (40 km/h) to a rural high of 85 mph (137 km/h). Speed limits are typically posted in increments of five miles per hour (8 km/h). Some states have lower limits for trucks, some also have night and/or minimum speed limits.

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<span class="mw-page-title-main">High-speed rail in the United Kingdom</span>

High-speed rail in the United Kingdom is provided on five upgraded railway lines running at top speeds of 125 mph (200 km/h) and one purpose-built high-speed line reaching 186 mph (300 km/h).

The Northern Lights Express (NLX) project is a planned higher-speed rail service that would run 155 miles (249 km) between Minneapolis and Duluth primarily in the U.S. state of Minnesota. A portion of the proposed line would run through neighboring Wisconsin to serve Duluth's "Twin Port" of Superior. Plans are to upgrade an existing BNSF Railway freight line to allow trains to travel at up to 90 miles per hour (145 km/h). The train service would provide an alternative to travel along Interstate 35 corridor between Duluth and the Twin Cities.

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<span class="mw-page-title-main">Comparison of MUTCD-influenced traffic signs</span>

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<span class="mw-page-title-main">William B. Umstead Bridge</span> Bridge in Dare County

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This is a comparison of road signs in countries and regions that speak majorly English, including major ones where it is an official language and widely understood.

References

  1. "The Nassau Guardian". The Nassau Guardian. Archived from the original on 26 February 2014. Retrieved 21 August 2014.
  2. "Ideas and Opinions – Marijuana – another perspective - Amandala Newspaper". amandala.com.bz. 26 October 2012. Archived from the original on 18 September 2013. Retrieved 29 April 2018.
  3. "Ophelia less organised but still a strong tropical storm". Dominica News Online. Archived from the original on 1 March 2014. Retrieved 21 August 2014.
  4. "George Grant - TROUBLESOME FIGURES". Grenada Broadcast. 4 July 2013. Archived from the original on 1 March 2014. Retrieved 21 August 2014.
  5. "Image by draperc". Mapillary . 9 September 2018. Retrieved 21 April 2019.
  6. "Image by draperc". Mapillary. 9 September 2018. Retrieved 21 April 2019.
  7. "Image by mkanyala". Mapillary. 11 September 2017. Retrieved 21 April 2019.
  8. "Image by mkanyala". Mapillary. 11 September 2017. Retrieved 21 April 2019.
  9. "Image by mkanyala". Mapillary. 11 September 2017. Retrieved 21 April 2019.
  10. "Image by mkanyala". Mapillary. 11 September 2017. Retrieved 21 April 2019.
  11. "Image by mkanyala". Mapillary. 11 September 2017. Retrieved 21 April 2019.
  12. Joseph, Dan B. (14 April 2016). "Image by danbjoseph". Mapillary. Retrieved 21 April 2019.
  13. "Image by mkanyala". Mapillary. 11 September 2017. Retrieved 21 April 2019.
  14. Some signs are explicitly labeled in miles per hour, [5] but most are either explicitly [6] [7] [8] [9] [10] [11] or implicitly measured in kilometers per hour. [12] [13]
  15. "Businesses Close Early Due to Passage of TS Isaac". The St. Kitts-Nevis Observer. 22 August 2012. Archived from the original on 3 February 2013. Retrieved 21 August 2014.
  16. "The Voice - The national newspaper of St. Lucia since 1885". Thevoiceslu.com. 1 October 2004. Archived from the original on 1 March 2014. Retrieved 21 August 2014.
  17. 21 August 2014 :52 (AST) (31 October 2010). "St. Vincent appeals for aid as Tomas leaves 'millions and millions' in damage – I-Witness News". Iwnsvg.com. Archived from the original on 26 February 2014. Retrieved 21 August 2014.{{cite web}}: CS1 maint: numeric names: authors list (link)
  18. Speed limits Archived 22 March 2015 at the Wayback Machine (UK) Department for Transport. Retrieved 4 August 2015
  19. "Vehicles and Road Traffic Act". Government of Anguilla. 15 December 2014. Retrieved 26 March 2020.
  20. "Welcome to The BVI Beacon Online". Bvibeacon.com. 1 December 2005. Archived from the original on 2 April 2015. Retrieved 21 August 2014.
  21. "Road traffic (motor vehicle registration and operation, and driver and vehicle licensing) regulations, 2009 arrangement of regulations" (PDF). Government of the Virgin Islands. 20 July 2009. p. 28. Retrieved 27 April 2022.
  22. "Driver exceeded critical speed of 91 mph, jury hears :: Cayman Compass". Compasscayman.com. Archived from the original on 26 February 2014. Retrieved 21 August 2014.
  23. "Columns - An Islander's offerings from Essex by James Marsh". Penguin-news.com. 19 April 2012. Archived from the original on 16 October 2014. Retrieved 21 August 2014.
  24. "Flying Frenchman takes off in 'overgrown pushchair' | St Helena Online". Sthelenaonline.org. 23 October 2012. Archived from the original on 1 March 2014. Retrieved 21 August 2014.
  25. "Police urging motorists to slow down". Suntci.com. 15 July 2009. Archived from the original on 28 February 2014. Retrieved 21 August 2014.
  26. "Modern Living: Think Metric". Time Magazine. 9 June 1975. Archived from the original on 22 January 2011. Retrieved 15 June 2010. Meanwhile, the metrication of America is already taking place. Individual federal agencies, school systems, states and industries, as well as radio announcers, supermarkets, beverage bottlers and ballpark scoreboards, are hastening the everyday use of metres, litres, and grams. ...a road sign outside Fergus Falls reads, ST. CLOUD 100 MILES OR 161 KILOMETERS. Other signs note that 55 mph equals 88 kilometres per hour.
  27. "Our Traffic Problems Are Going To Get Worse". Samoa News. 3 June 2013. Archived from the original on 14 September 2013. Retrieved 21 August 2014.
  28. "Maila Halom". Guampdn.com. Retrieved 21 August 2014.
  29. Archived 1 March 2014 at the Wayback Machine
  30. Conor Foley (Staff Writer) (6 July 2011). "Cops: Teen was driving 75 mph in city rollover crash". Virgin Islands Daily News. Archived from the original on 7 March 2014. Retrieved 21 August 2014.
  31. JOY BLACKBURN (Daily News Staff) (24 August 2012). "Weather to begin clearing up today as Isaac leaves area - News". Virgin Islands Daily News. Archived from the original on 16 September 2013. Retrieved 21 August 2014.
  32. "A. Classes of Track". Rules Respecting Track Safety. Transport Canada. 3 November 2008. Archived from the original on 25 August 2012. Archived 25 August 2012.
  33. "Republic of Ireland". www.railsigns.uk. Retrieved 22 February 2021.
  34. Rail, Irish. "Network Statement". Irish Rail. Retrieved 22 February 2021.
  35. "Permanent Speed Restriction Signs". www.railsigns.uk. Retrieved 10 July 2020.