Question

if a pillow is .05 in centimeters how much will it be in meters

Answer 1

The relationship between cm and m is
  1 cm = 0.01 m
Multiply this equation by 0.05 to get the value you want.
  0.05 cm = 0.0005 m

Answer 2

If 1cm is one-hundreth of a meter, meaning 1cm =.01 m,

then, .05 cm = 0.0005 m,