Centimeters are pretty common. Rulers are marked with cm and mm. We use mostly m and cm inside houses. A door width? 90 cm. A door height 2 meters and 10. And

Centimeters are pretty common. Rulers are marked with cm and mm. We use mostly m and cm inside houses. A door width? 90 cm. A door height 2 meters and 10. And don't forget cubic centimeters (or cc) for engines. Anything from 2000 cc down to 50 cc is very common east of the Atlantic Ocean.