1 pm is a billionth of a mm ie 0.000000001 mm.
There are 109 pm in 1 mm.
1ooo
1 km equals 100,000 mm
1 picometer = 1 pm = 10-9 mm
1 inch = 25.4 mm.
1 mm = 1000 um
1 meter = 1,000 mm
1 micrometer equals to 0.0001 mm
0.01 decimetres = 1 mm.
1 meter is 1000 mm
10 mm
3000 mm