A decimeter is 100mm, about 4 inches, so it is a unit comfortable for measuring objects in that range or a few times that. It is quite a valid unit, but is seldom used, for most folk find metres, millimetres and centimetres useful enough.
As to objects of that dimension order, leaves, books, shoes, small animals and so on.
Computer?
Computer
length of a book
You would use to measure decimeter is a ruler.
i would use inches
You measure the length of two objects, then you divide the lengths.You measure the length of two objects, then you divide the lengths.You measure the length of two objects, then you divide the lengths.You measure the length of two objects, then you divide the lengths.
To measure length around objects.
Not usually, but a decimetre is equal to 10 centimetres. The decimeter is a bit of a rarely used measurement.
Yes you can measure a watch in decimeters.
You could measure a skateboard in decimeters. Remember, 1dm=10cm.
decimeters
Milliliters measure volume, and decimeters measure length. You can't convert from one unit to the other.
Decimeters measure length and 1 decimeter is 3.94 inches.
There are no decimeters in a teaspoon. A teaspoon may be a measure of volume and a decimeter is a measure of length. That does not go together.
Length
12 decimeters
Centimeters
Liters can't be converted to decimeters. Liters measure volume, while decimeters measure length.
Decimeter is a measure of length and a liter is a measure of volume. Not the same.
measure the millimeters and divide by 100. Or measure the meters and multiply by 10.