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km/h

British  

abbreviation

  1. kilometres per hour

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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It struck Earth at roughly 64,000 km/h and created the enormous Chicxulub crater.

From Science Daily Jul. 19, 2026

Yangwang’s U9 Xtreme is the fastest road car on Earth, with a top speed of 496.2 km/h, or 308.3 mph.

From The Wall Street Journal Jul. 11, 2026

Most high-speed trains in the UK run at around 220 km/h, while HS1, the Channel Tunnel Rail Link, reaches speeds of up to 300 km/h.

From BBC May 17, 2026

He hit five fours and six sixes, including one smashed off Lockie Ferguson’s 154 km/h delivery.

From Washington Times Oct. 28, 2023

For example, the risk of head injuries to pedestrians is reduced by up to 49 percent when the collision speed is reduced from 25 km/h to 15 km/h.

From Science Daily Oct. 18, 2023

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