1 of 12

Width = ~5 cm = 5 x 10-2 m

2 of 12

1.4 mm = 1.4 x 10-3 m

3 of 12

(medium grain) 250-500 μm = 2.5-5.0 x 10-4 m

4 of 12

50-100 μm = 5-10 x 10-5 m

Human Hair Width

5 of 12

Diameter = 4-7 μm = 4-7 x 10-6 m

6 of 12

1 μm = 1 x 10-6 m

Anthrax Bacteria Width

7 of 12

400-700 nm = 4-7 x 10-7 m

Wavelength of Visible Light

8 of 12

~100 nm = 1 x 10-7 m

9 of 12

10-50 nm = 1-5 x 10-8 m

Transistor Width

10 of 12

5-10 nm = 5-10 x 10-9 m

Diameter of Protein Hemoglobin

11 of 12

1 nm = 1 x 10-9 m

Buckyball (C60)

12 of 12

~0.1 nm = 1 x 10-10 m