1 meter (m) = 100 centimeters (cm)
1 centimeter (cm) = 10 millimeters (mm)
So, 1 m = 1000 mm

Again,
1 millimeter (mm) = 1000 micrometers (µm)
So, 1 m = 1000000 µm (six zeros after 1)

Now, 1 mm = 1000 µm
0.5 mm = 1000 * 0.5 µm = 500 µm
0.01 mm = 1000 * 0.01 µm = 10 µm

Have fun


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