How to convert 1 kilometres to millimetres?

To convert 1 kilometres to millimetres, multiply 1 by 1000000.00000000. The result is 1000000.000000 millimetres.

What is the km to mm conversion formula?

Millimetres = Kilometres × 1000000.00000000. This formula converts any kilometre value to millimetres.

Kilometre (km) is a metric unit, while Millimetre (mm) is a metric unit. One kilometre equals 1000000.00000000 millimetres.

Enter the amount of kilometres you want to convert to millimetres.