Transfer precipitation forecast in mm to expected snowfall in cm?

Question

What conversion functions exist to transfer precipitation forecast in mm to expected snowfall in cm? Simple rules of thumbs as well as more advanced methods would be of interest.

Answer 1

1 cm is 10 mm, the prefix on the unit tells you how to convert between the two units.

Mega 1000000

Kilo 1000

hecto 100

deca 10

-- 1

deci .1

Centi .01

Milli .001

All of these can be applied to any unit such as meter (m) or gram (g) to denote the number of zeros needed at the end.