<h3>What is Kilometres per hour?</h3>
Kilometres (or Kilometers) per hour measures speed. This unit of speed measures how many Kilometres traveled in one hour. Its is part of the <a href="https://www.nist.gov/pml/owm/metric-si/si-units">SI</a> units system. Commonly, express as km/h, or kph.
Kilometres per hour can be calculated using following formula. Please note that <math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>t</mi></mrow><annotation encoding="application/x-tex">t</annotation></semantics></math> is in hours
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mi>k</mi><mi>p</mi><mi>h</mi><mo>=</mo><mfrac><mi>x</mi><mi>t</mi></mfrac></mrow><annotation encoding="application/x-tex">kph = \frac{x}{t}
</annotation></semantics></math>
<math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>k</mi><mi>p</mi><mi>h</mi></mrow><annotation encoding="application/x-tex">kph</annotation></semantics></math> - Kilometres per hour 
<math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>x</mi></mrow><annotation encoding="application/x-tex">x</annotation></semantics></math> - Number of kilometres 
<math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>h</mi></mrow><annotation encoding="application/x-tex">h</annotation></semantics></math> - Hour 
<math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>t</mi></mrow><annotation encoding="application/x-tex">t</annotation></semantics></math> - Time in hours
Wiki page for <a href="https://en.wikipedia.org/wiki/Kilometre">Kilometres</a> 
Wiki page for <a href="https://en.wikipedia.org/wiki/Kilometres_per_hour">Kilometres per hour</a>

Convert 1 km/h to other units	Result
Kilometres per hour to Metres per second (km/h to m/s)	0.2777777777777778
Kilometres per hour to Millimeters per hour (km/h to mm/h)	1000000
Kilometres per hour to Miles per hour (km/h to mph)	0.621371192237334
Kilometres per hour to Knots (km/h to knot)	0.5399570136727677
Kilometres per hour to Feet per second (km/h to ft/s)	0.9113446583066653
Kilometres per hour to Feet per minute (km/h to ft/min)	54.68083989557305
Kilometres per hour to Inches per hour (km/h to in/h)	39377.13512277148

Kilometres per hour to Millimeters per hour conversion

How to convert Kilometres per hour to Millimeters per hour

Complete Kilometres per hour conversion table

Speed conversions

Unit	Result