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default conversion combinations SI: metre per second: m/s m/s US spelling: meter per second: 1.0 m/s (3.3 ft/s) m/s ft/s (m/s foot/s) non-SI metric: kilometre per hour: km/h km/h US spelling: kilometer per hour: 1.0 km/h (0.62 mph) km/h mph; Imperial & US customary: mile per hour: mph mph 1.0 mph (1.6 km/h) mph km/h; mile per second: mi/s mi/s ...
SI, and hence the use of "km/h" (or "km h −1 " or "km·h −1 ") has now been adopted around the world in many areas related to health and safety [36] and in metrology [37] in addition to the SI unit metres per second ("m/s", "m s −1 " or "m·s −1 "). SI is also the preferred system of measure in academia and in education.
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.
On September 26, 2019, speed limits were raised in a two-year trial to 110 km/h (68 mph) from 100 km/h (62 mph) as part of a pilot across a 90 km (56 mi) stretch of Highway 402 from London to Sarnia, a 32 km (20 mi) stretch of the Queen Elizabeth Way from Hamilton to St. Catharines, and a 102 km (63 mi) stretch of Highway 417 from Ottawa to the ...
The speed limit beyond the sign is the prevailing limit for the general area; for example, the sign might be used to show the end of an urban area. In the United Kingdom, the sign means that the national speed limit applies (60 mph (97 km/h) on open roads and 70 mph (110 km/h) on dual carriageways and motorways).
The Land Transport (Setting of Speed Limits) Rule 2017, which came into force on 24 August 2017, added a provision to set speed limits of 110 km/h (68 mph) on selected motorways and expressways. To be considered for a 110 km/h limit, the road must be a dual carriageway, with a median barrier, no at-grade intersections, and no corners rated for ...
km/h km/h US spelling: kilometer per hour: 1.0 km/h (0.62 mph) km/h mph; Imperial & US customary: mile per hour: mph mph 1.0 mph (1.6 km/h) mph km/h; mph kn; foot per second: ft/s (foot/s) ft/s long code "foot/s" outputs foot per second (and never feet) 1.0 ft/s (0.30 m/s) ft/s m/s; Maritime units: knot: kn (knot) kn 1.0 kn (1.9 km/h; 1.2 mph ...
Metric prefixes; Text Symbol Factor or; yotta Y 10 24: 1 000 000 000 000 000 000 000 000: zetta Z 10 21: 1 000 000 000 000 000 000 000: exa E 10 18: 1 000 000 000 000 000 000: peta P 10 15: 1 000 000 000 000 000: tera T