1 picometer = 0.000000001 millimetres
1.5 millimeters = 1,500,000,000 picometers
1 millimetre = 1,000,000,000.0 Picometres. To convert a value in millimetres to Picometres, multiply by 1,000,000,000.0.
There are 1,000,000,000 picometres in one millimetre. Therefore, one picometre is equal to 1/1,000,000,000 millimetres.
A picometre is equal to one trillionth of a metre. So 1 picometre = 1×10-9 millimetres.