A:### Quick Answer

**Ten millimeters is equal to approximately .39 inches.** Millimeters are a much smaller unit than inches.

If converting from millimeters to inches, multiply millimeters by .03937. It will provide a rough estimate of how many inches the millimeters would equal. To convert inches to millimeters, multiply inches by 25.4. This will provide the equivalent number in millimeters.

Millimeters are a unit of measurement in the metric system. Millimeters are the smallest metric unit of measure. There are 10 millimeters in one centimeter. Other metric system measurements include centimeters and meters. Millimeters may be used when someone needs a very precise measurement of something, such as in architecture or machinery design.

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- Q:
## How big is 13 millimeters?

A:

Full Answer >**Doing a simple conversion, 13 millimeters is equal to 0.51181 inch, about half an inch.**If this is compared to real-life objects, this is the same size as a small marble of the kind that kids play with.Filed Under: - Q:
## How thick is 4 millimeters?

A:

Full Answer >**Four millimeters is equal to 5/32 inch, 0.4 centimeters, or 0.004 meters.**There are 25.4 millimeters in one inch. Converting millimeters to inches involves multiplying the number of millimeters by 0.03937. For example, 8-gauge steel is approximately 4 millimeters thick.Filed Under: - Q:
## How many millimeters is 1 centimeter?

A:One centimeter is equal to 10 millimeters. It is also equal to 0.1 decimeter and 0.01 meter. One kilometer contains 100,000 centimeters. Millimeters, decimeters, centimeters, meters and kilometers are all units of length in the metric system.

Full Answer >Filed Under: - Q:
## What is 20 millimeters in inches?

A:

Full Answer >**Twenty millimeters is the equivalent of 25/32 of an inch or approximately 0.79 inches.**One millimeter is about 3/64 of an inch or about 0.039 inches. Twenty millimeters also equals 2 centimeters.Filed Under: