One millionth = 0.0001%
0.000001 is one millionth.
1 ppm is one part per million, or one millionth - percentage (which is latin for per hundred) wise, 1 ppm is .0001%
One millionth = 0.00001
One millionth of a millimeter
One millionth in numbers = 0.000001
The word for .000001 is one millionth.
One millionth = 0.000001
One millionth of one million is equal to 1.
The prefix that means one millionth is meta
0.000001 is one millionth
1 micron is a millionth of a metre
One hundred-millionth of a centimetre is one millionth of a meter called a micrometer and written with the Greek *mju* character: µ