You have it backwards, there are ten millimeters in one decimeter.
1 decimeter=100 millimeters
250 mm = 2.5 decimeters.
You must multiply millimeter figures by 100 to change to decimeters.
The metric system is based on 10. For example, there are 10 millimeter in one centimeter. 10 centimeter in one decimeter. 10 decimeters in one meter. Therefore, there are 1000 millimeters in one meter.
1 square cm = 100 square mm 8 square cm = 100 x 8 = 800 square mm
There are 10 decimetres in one metre.
990 millimeters is 9.9 decimeters.
30 decimeters is equal to 3000 millimeters.
2 decimeters ==
400 mm
1.
0.01 decimetres = 1 mm.
2000 millimetres
1000mm 1/1000 mm
1 Mm = 10000000 dm
One.
there are 1000 mm to a meter, or 10 decimeter to a meter. so 184 mm is 1.84 dm
By unit of length and distance and conversion ,we can say that 1 dm=100 mm