Full name: millimil
Plural form: millimils
Category type: length
Scale factor: 2.54E-8
The SI base unit for length is the metre.
1 metre is equal to 39370078.740157 millimil.
Valid units must be of the length type.
You can use this form to select from known units:
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millimil = 10-3 mils.
The definition of a mil is as follows:
A milliradian, often called a mil or mrad, is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian).
Compass use of mils typically rounds 6283 to 6400 for simplification, but here we use the official definition.