** 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)

**Example of Millimeter**

- The value of each small division is 1 mm.

**Solved Example on Millimeter**

Measure the length of the strip to the nearest millimeter.

Choices:

A. 80 mm

B. 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.

**Related Terms for Millimeter**

- Dekameter
- Hectometer
- Kilometer
- Length
- Measure
- Meter
- Metric System
- Millimeter
- Multiple
- Unit