## What is a thousandth of an inch called?

“Mil” and “thou” are the same. They are imperial measurements both are synonyms for 0.001 inches. This unit is normally referred to as a “thou” (which is short for a thousandth), or (particularly in the United States) a mil. Mil has its origins from metric prefix “milli”, which is Latin for “one thousandths”.

### How do you write 1 thousandths of an inch?

001 = one thousandth of an inch.

**Is a mil one thousandth of an inch?**

a unit of length equal to 0.001 of an inch. It is a term normally used as a wire size, or in electronic measurements of length, such as calibrating probes. So 1 mil, and (1) one thousandth of an inch (0.001”) are the same thing.

**How do you read thousandths?**

The third decimal digit from the decimal point is the thousandths digit. For example, 0.008 is eight thousandths. Read the whole set of three decimal digits as a number, and say “thousandths.” 0.825 has 8 tenths, 2 hundredths, and 5 thousandths.

## How thick is 20 thousandths of an inch?

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mil | mm | inch |
---|---|---|

20 | 0.508 | 0.02 |

30 | 0.762 | 0.03 1/32 in. |

60 | 1.524 | 0.06 1/16 in |

100 | 2.54 | 0.1 3//32 in |

### How do you write 40 thousandths of an inch?

40 thousandths as a decimal is 0.040.

**When was the thousandth of an inch invented?**

1 mm is about 40 thou. The introduction of the thousandth of an inch as a sensible base unit in engineering and machining is generally attributed to Joseph Whitworth who wrote in 1857:

**Which is bigger a mille or a thousandth of an inch?**

Equal to 1⁄1000 of an inch, it is normally referred to as a thou /ˈθaʊ/, a thousandth, or (particularly in the United States) a mil. The plural of thou is also thou (thus one hundredth of an inch is “10 thou”), while the plural of mil is mils (thus “10 mils”). The words are shortened forms of the English and Latin words for “thousand” (mille).

## How big is a tenth of an inch?

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### How to convert an inch to a millimeter?

Here is a table for conversion from thousandths of an inch to millimeters (and vice-versa). It can be used, for example, in ordering strings from mearsurements with an American micrometer.