Miles per hour vs. Knots - unit of speed conversion. For calculation – nautical - international mile equal to integer 1 and fraction digits 1 5 0 7 7 9 4 4 8 0 2 3 5 4 English - international mile. For some countries – English is the default language. Fast in use – do not need connection to the Internet. Decimal point is a dot ". " – and the result have 2 fraction digits.