Say hello to Evi

Evi is our best selling mobile app that can answer questions about books, music, films, conversions, history, people, places and much more.

To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.

You asked:

is millimeter smaller than centimeter

Yes. Mm is shorter than centimeter.

millimeter, the metric unit of length equal to a thousandth of a meter


centimeter, the SI unit of length equal to one hundredth of a meter