Work out kilometre to mile instantly with clear inputs, formula shown and shareable results.
Converting Kilometres to Miles is a single multiplication: one km equals 0.62137119 mi, so the amount is multiplied by that factor. Switching the direction divides by the same factor instead. This factor is an exact definition, not a rounded approximation, so the conversion is precise at any scale.
Kilometres → Miles
mi = km × 0.62137119
Miles → Kilometres
km = mi ÷ 0.62137119
One km is 0.62137119 mi. That figure is exact by definition.
Divide by 0.62137119 instead of multiplying — or just switch the direction selector, which does it for you.