1 Mile = 1.609344 Kilometers 1 Mile [US, nautical] = 1.852000 Kilometers 1 Mile [UK, nautical] = 1.853184 Kilometers There are 1.609344 kilometers in a mile, because there are 1609.34 meters in a mile (one foot is defined as 0.3048 meter and one mile is 5280 feet) and there are 1000 meters in a kilometer, that makes 1609.344 / 1000 = 1.609344 kilometers in a mile.