1 Mile = 1.609344 Kilometers
1 Mile [US, nautical] = 1.852 Kilometers
For example, to calculate how many kilometers there are in a mile and a half, multiply the mile value by the conversion factor, that makes 1.5 miles * 1.609344 = 2.4 kilometers in 1.5 miles.
Mile is an imperial and US customary length unit and equals to 1760 yards, 5280 feet or 63 360 inches. 1 mile is about 60% longer than a kilometer. The abbreviation is "mi".
Nautical mile is a length unit that is used in marine navigation. The nautical mile is calculated based on the circumference of the earth which is 360 degrees. Each degree is 60 minutes and each minute equals to one nautical mile. There are 360 * 60 = 21600 nautical miles and equals to (21600 * 1.852 = ) roughly 40,000 kilometers which is the length of the circumference of the earth. The abbreviations for nautical mile are "nm","NM" or "nmi".
Kilometer is a metric length unit and equals to 1000 meters, 10 hectometers or 100 dekameters. The abbreviation is "km".