It is less commonly used unit of SI comparing to meter or millimeter. There is also a special converter for historical units of length you might want to visit for ancient, medieval and other old units that are no longer used. Conversion units. The decimeter (British spelling: decimetre, abbreviation: dm) is a unit of length in the SI system (metric system). How many millimeters in a decimeter: If L dm = 1 then L mm = 100 × 1 = 100 mm. 10 dm(s) / 0.01 = 1000 mm(s) Rounded conversion. Decimeters. The answer is 1.0E-6. One dm is equal to one tenth of the meter (British spelling: metre), which is the current SI base unit of length. L mm = 100 × L dm. You can view more details on each measurement unit: How many cubic decimeters in 1 millimeters cubed? Switch units Starting unit. Symbol: Decimeter: dm; Millimeter: mm; Convert to Meter: 1 decimeter = 0.1 meters; 1 millimeter = 0.001 meters; Examples: 10 decimeters = 10 x 100 millimeters = 1,000 millimeters The units involved in this conversion are decimeters and millimeters. Conversion base : 1 mm 3 = 1.0E-6 dm 3. This is how they are defined: Decimeter. Decimeter and millimeter are both length units in the international unit system. Note that the results given in the boxes on the form are rounded to the ten thousandth unit nearby, so 4 decimals, or 4 decimal places. The name "decameter" is derived from Latin words "deca" (meaning ten of something) and "meter".Dkm or dm â¦ litre â¦ âºâº Definition: Millimeter A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. A decimetre (US: decimeter; symbol: dm) is a measurement of length, measuring 10 centimetres or one-tenth of a metre. âºâºMore information from the unit converter. How many millimeters in 41 decimeters: If L dm = 41 then L mm = 100 × 41 = 4 100 mm. Formula: 1 decimeter = 100 millimeters. You are currently converting volume units from cubic decimeter to cubic millimeter 1 dm 3 = 1000000 mm 3. cubic decimeter . 10 dm(s) * 100 = 1000 mm(s) By division. Wikipedia page of decimeters Millimeters Millimeter to Decimeter Conversion Example Task: Convert 250 millimeters to decimeters (show work) Formula: mm ÷ 100 = dm Calculations: 250 mm ÷ 100 = 2.5 dm Result: 250 mm is equal to 2.5 dm It is the EQUAL length value of 1 decimeter but in the millimeters length unit alternative. The decimetre (British English) or decimeter (American English); SI symbol dm) is a unit of length in the metric system, equal to one tenth of a metre (the International System of Units base unit of length), ten centimetres or 1/0.254 (approximately 3.93700787) inches. dm/mm length conversion result Next, let's look at an example showing the work and calculations that are involved in converting from millimeters to decimeters (mm to dm). dm 3. cubic millimeter . Conversion base : 1 dm 3 = 1000000 mm 3. It is a metric unit of distance or length. The millimeters unit number 100.00 mm converts to 1 dm, one decimeter. Decameter is equal to 10 meters, or 10,000 centimeters. How to convert decimeters to millimeters [dm to mm]:. The decimetre (British English) or decimeter (American English) is a unit of length in the metric system, equal to one tenth of a meter (the International System of Units base unit of length), ten centimetres or 1/0.254 (approximately 3.93700787) inches. We assume you are converting between cubic decimetre and cubic millimetre. Note: Decimeter is a metric unit of length.Millimeter is a metric â¦ 1000000 mm 3. Linear unit of measurement Convert Millimeter (mm) to Decimeter (dm), Metric This converter features contemporary units of length. One decimeter is equal to 100 millimeters.