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Miles per hour

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This article is about the unit of speed. For the comic book, seeMPH (comics).For other uses, seeMPH.
miles per hour
Speedometer,indicating speed in miles per hour
General information
Unit systemImperial, United States customary units
Unit ofspeed
Symbolmph
Conversions
1 mphin...... is equal to...
km/h1.609344
m/s0.44704

Miles per hour(mph,m.p.h.,MPH,ormi/h) is aBritish imperialandUnited States customary unitofspeedexpressing the number ofmilestravelled in onehour.It is used in theUnited Kingdom,theUnited 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.

Usage

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Speed limitunits ontraffic signsaround the world:
Kilometres per hour (km/h)
Miles per hour (mph)
Both
none known
50 mph speed limit sign in the United Kingdom
65 mph speed limit sign in the United States

Road traffic

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

Rail networks

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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, theChannel TunnelandHigh Speed 1.[35]

Nautical and aeronautical usage

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

Other usage

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In some countries mph may be used to express the speed of delivery of a ball in sporting events such ascricket,tennisandbaseball.

Conversions

[edit]
1 mph =0.44704m/s(exactly)
=1.609344km/h(exactly)
Conversions between common units of speed
m/s km/h mph (mi/h) knot fps (ft/s)
1m/s= 1 3.600000 2.236936* 1.943844* 3.280840*
1km/h= 0.277778* 1 0.621371* 0.539957* 0.911344*
1mph (mi/h)= 0.44704 1.609344 1 0.868976* 1.466667*
1knot= 0.514444* 1.852 1.150779* 1 1.687810*
1fps (ft/s)= 0.3048 1.09728 0.681818* 0.592484* 1

(* = approximate values)

See also

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References

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  1. ^"The Nassau Guardian".The Nassau Guardian.Archivedfrom the original on 26 February 2014.Retrieved21 August2014.
  2. ^"Ideas and Opinions – Marijuana – another perspective - Amandala Newspaper".amandala.com.bz.26 October 2012.Archivedfrom the original on 18 September 2013.Retrieved29 April2018.
  3. ^"Ophelia less organised but still a strong tropical storm".Dominica News Online.Archivedfrom the original on 1 March 2014.Retrieved21 August2014.
  4. ^"George Grant - TROUBLESOME FIGURES".Grenada Broadcast. 4 July 2013. Archived fromthe originalon 1 March 2014.Retrieved21 August2014.
  5. ^"Image by draperc".Mapillary.9 September 2018.Retrieved21 April2019.
  6. ^"Image by draperc".Mapillary.9 September 2018.Retrieved21 April2019.
  7. ^"Image by mkanyala".Mapillary.11 September 2017.Retrieved21 April2019.
  8. ^"Image by mkanyala".Mapillary.11 September 2017.Retrieved21 April2019.
  9. ^"Image by mkanyala".Mapillary.11 September 2017.Retrieved21 April2019.
  10. ^"Image by mkanyala".Mapillary.11 September 2017.Retrieved21 April2019.
  11. ^"Image by mkanyala".Mapillary.11 September 2017.Retrieved21 April2019.
  12. ^Joseph, Dan B. (14 April 2016)."Image by danbjoseph".Mapillary.Retrieved21 April2019.
  13. ^"Image by mkanyala".Mapillary.11 September 2017.Retrieved21 April2019.
  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 fromthe originalon 3 February 2013.Retrieved21 August2014.
  16. ^"The Voice - The national newspaper of St. Lucia since 1885".Thevoiceslu.com. 1 October 2004. Archived fromthe originalon 1 March 2014.Retrieved21 August2014.
  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.Archivedfrom the original on 26 February 2014.Retrieved21 August2014.{{cite web}}:CS1 maint: numeric names: authors list (link)
  18. ^Speed limitsArchived22 March 2015 at theWayback Machine(UK) Department for Transport. Retrieved 4 August 2015
  19. ^"Vehicles and Road Traffic Act".Government of Anguilla. 15 December 2014.Retrieved26 March2020.
  20. ^"Welcome to The BVI Beacon Online".Bvibeacon.com. 1 December 2005. Archived fromthe originalon 2 April 2015.Retrieved21 August2014.
  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.Retrieved27 April2022.
  22. ^"Driver exceeded critical speed of 91 mph, jury hears:: Cayman Compass".Compasscayman.com.Archivedfrom the original on 26 February 2014.Retrieved21 August2014.
  23. ^"Columns - An Islander's offerings from Essex by James Marsh".Penguin-news.com. 19 April 2012. Archived fromthe originalon 16 October 2014.Retrieved21 August2014.
  24. ^"Flying Frenchman takes off in 'overgrown pushchair' | St Helena Online".Sthelenaonline.org. 23 October 2012. Archived fromthe originalon 1 March 2014.Retrieved21 August2014.
  25. ^"Police urging motorists to slow down".Suntci.com. 15 July 2009.Archivedfrom the original on 28 February 2014.Retrieved21 August2014.
  26. ^"Modern Living: Think Metric".Time Magazine.9 June 1975. Archived fromthe originalon 22 January 2011.Retrieved15 June2010.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 fromthe originalon 14 September 2013.Retrieved21 August2014.
  28. ^"Maila Halom".Guampdn.com.Retrieved21 August2014.
  29. ^[1]Archived1 March 2014 at theWayback Machine
  30. ^Conor Foley (Staff Writer) (6 July 2011)."Cops: Teen was driving 75 mph in city rollover crash".Virgin Islands Daily News. Archived fromthe originalon 7 March 2014.Retrieved21 August2014.
  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 fromthe originalon 16 September 2013.Retrieved21 August2014.
  32. ^"A. Classes of Track".Rules Respecting Track Safety.Transport Canada. 3 November 2008. Archived fromthe originalon 25 August 2012.Archived 25 August 2012.
  33. ^"Republic of Ireland".www.railsigns.uk.Retrieved22 February2021.
  34. ^Rail, Irish."Network Statement".Irish Rail.Retrieved22 February2021.
  35. ^"Permanent Speed Restriction Signs".www.railsigns.uk.Retrieved10 July2020.
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