- Shorter distances
- 100 micrometre is equal to:
- 1/10 of a millimetre
- 0.00394 inches

- 125 µm -- Dust mite
- 200 µm -- Typical length of
*Paramecium caudatum*, a ciliate protist - 500 µm -- MEMS micro-engine
- 500 µm -- diameter of a human ovum
- 500 µm -- Typical length of
*Amoeba proteus*, an amoeboid protist - Longer distances