Millimeter
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Definition of Millimeter
A millimeter is a metric unit of length.
More About Millimeter
 Millimeter is used for measuring very small objects.
 Millimeter is abbreviated as mm.
 10 millimeter (mm) = 1 centimeter (cm)
 10 centimeter cm = 1 decimeter (dm)
 10 decimeter (dm) = 1 meter (m)
 1 dekameter (dam) = 10 meters (m)
 1 hectometer (hm) = 10 dekameter (dam)
 1 kilometer (km) = 10 hectometer (hm)
Examples of Millimeter
 The value of each small division is 1 mm.
Video Examples: How Many Cubic Millimeters Are in a Milliliter? : Math Conversions
Solved Example on Millimeter
Ques: Measure the length of the strip to the nearest millimeter.
Choices:
A. 80 mmB. 70 mm
C. 75 mm
D. 8 mm
Correct Answer: B
Solution:

Step 1: The scale shown for measuring the strip is a centimeter scale.
Step 2: Each division in the centimeter scale is 1 mm. [1 cm = 10 mm.]
Step 3: The strip in the given figure is measuring 7 cm.
Step 4: 7 cm = (7 × 1) cm = (7 × 10) mm = 70 mm [Convert cm to mm.]
Step 5: So, the length of the strip to the nearest millimeter is 70 mm.
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