Q:
# Does mm stand for million or thousand?

The acronym "mm" stands for "millimeter," which equals one thousandth of a meter and does not relate to either "million" or "thousand." The meter is the SI unit for measuring length.

Continue ReadingThe confusion with million and millimeter may arise from the prefix "milli" in both words. The prefix milli means "a thousandth," meaning divided by a thousand. Therefore, one millimeter is equal to one thousandth of a meter. So, although mm does not strictly mean one thousand or million, it nonetheless means one meter divided by one thousand. The prefix milli is somewhat similar to million, but one meter divided by a million is equal to a micrometer, not a millimeter.

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Q:
## How thick is a micron?

A: A micron, or micrometer, is defined as one-millionth of a meter. The symbol for micron is μ, an upside-down "h" symbol. A human hair is between 40 and 50 m... Full Answer >Filed Under: -
Q:
## What is the base unit of measure for length in the metric system?

A: The meter is the metric system's base unit of length. Since 1983, the meter has been defined as the distance light travels in 1/299,792,458 of a second. Th... Full Answer >Filed Under: -
Q:
## How long is 1 meter?

A: The length of 1 meter is equivalent to 1.0936 yards, 39.370 inches and 3.281 feet. One meter is defined as the length light travels in a vacuum in 1/299,79... Full Answer >Filed Under: -
Q:
## How many kilometers are there in a meter?

A: Since a kilometer is equal to 1000 meters, there is 0.001 kilometer in one meter. A kilometer is the unit of length used in most countries to measure subst... Full Answer >Filed Under: