Unit Converter
Conversion formula
The conversion factor from millimeters to kilometers is 1.0E-6, which means that 1 millimeter is equal to 1.0E-6 kilometers:
1 mm = 1.0E-6 km
To convert 4.2 millimeters into kilometers we have to multiply 4.2 by the conversion factor in order to get the length amount from millimeters to kilometers. We can also form a simple proportion to calculate the result:
1 mm → 1.0E-6 km
4.2 mm → L(km)
Solve the above proportion to obtain the length L in kilometers:
L(km) = 4.2 mm × 1.0E-6 km
L(km) = 4.2E-6 km
The final result is:
4.2 mm → 4.2E-6 km
We conclude that 4.2 millimeters is equivalent to 4.2E-6 kilometers:
4.2 millimeters = 4.2E-6 kilometers
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 238095.23809524 × 4.2 millimeters.
Another way is saying that 4.2 millimeters is equal to 1 ÷ 238095.23809524 kilometers.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that four point two millimeters is approximately zero kilometers:
4.2 mm ≅ 0 km
An alternative is also that one kilometer is approximately two hundred thirty-eight thousand ninety-five point two three eight times four point two millimeters.
Conversion table
millimeters to kilometers chart
For quick reference purposes, below is the conversion table you can use to convert from millimeters to kilometers
millimeters (mm) | kilometers (km) |
---|---|
5.2 millimeters | 0 kilometers |
6.2 millimeters | 0 kilometers |
7.2 millimeters | 0 kilometers |
8.2 millimeters | 0 kilometers |
9.2 millimeters | 0 kilometers |
10.2 millimeters | 0 kilometers |
11.2 millimeters | 0 kilometers |
12.2 millimeters | 0 kilometers |
13.2 millimeters | 0 kilometers |
14.2 millimeters | 0 kilometers |