One metre is 0.0006213712 miles, or put more usefully, 1,609.344 metres make a mile exactly. This pair matters mainly in running, where race distances are metric and the mile survives as a cultural landmark.
About the units
The metre is the SI base unit, defined through the speed of light since 1983. The statute mile is exactly 1,609.344 metres, a value that follows from the foot being exactly 0.3048 m and the mile being 5,280 feet. The two units sit at awkwardly different scales, which is why the conversion is more often done in kilometres — but the metre-to-mile form is the one that appears in athletics, because track distances are set in metres and the mile is not a track distance in the metric system at all.
The exact factor
The exact relationship is 1 mi = 1,609.344 m. The most useful derived facts concern running. The 1,500 m race is often called the metric mile, but it is 109.344 m short of a real mile — about a quarter of a lap on a standard 400 m track. A true mile is four laps plus 9.344 metres, which is why mile races on a 400 m track start at a mark slightly behind the finish line rather than on it. Sixteen hundred metres, the distance American high schools often race instead, is still 9.344 m short.
Where you meet this conversion
Athletics is the main case and the reason the conversion has emotional weight: the four-minute mile, broken by Roger Bannister in 1954, remains a benchmark even though almost every other race distance went metric. Road running uses both, with 5 km and 10 km races alongside the mile and the half marathon. Outside sport, the pair appears in aviation and maritime contexts where visibility is reported in metres and distances in miles, and in engineering documents that mix a metric specification with an imperial site survey.