4 dm is how many cm?

Answer 1

dm = decimeter, deci means 1/10, so a decimeter is 1/10 of a meter.

cm = centimeter, centi means 1/100, so a centimeter is 1/100 of a meter.

Therefore, 4 dm = 40 cm.

8 dm = 80 cm.

12 dm = 120 cm.

And so on, and so forth.

Answer 2

Inch and centimeter are both linear units of measurement. They are used to measure small distance. The conversion is done by multiplying the inch measurement by 2.54. The above unit in centimeters equals 40 cm (Approximately).