## About Our in to mm Converter

*“Our converter is looking for you to perform conversions for you.”*

In schooling, each of us studied a variety of units of measurement, including the metric and imperial systems. We are accustomed to using units like the metre, centimetre, kilometre, mile, inch, yard, foot, millimetre, chains, etc. While we are familiar with these units individually, relating or converting them to one another might be challenging.

Anyone can get confused with these puzzles. So, here we are with our Converter to help you with every conversion from **inches to millimetres** to any other units. Our Converter is quick and always turns out with accurate answers.

### Definition of a Millimetre:

In metric and US customary measurement systems, a millimetre is a unit that measures the length that equals one-thousandth of a meter or around 0.03937 inches.

Have you seen the thin, delicate lines between the 2 centimetres? These lines indicate millimetres; you will see ten lines between two numbers. In other term, one centimetre is made up of ten millimetres.

### What is the Symbol of Millimetres?

‘mm’ is the symbol of a millimetre.

### How to Convert Inches to Millimetres?

For a quick answer, use **the inches-to-millimetres Converter,** or you can multiply the value in inches by the conversion ratio, i.e., 25.4, to **convert in to mm.** The value in millimetres is equal to the value in inches 25.4. One inch is equal to 25.4 mm.

### The Inches to Millimetres Conversion Formula.

Below we have mentioned the **inches to mm formula** for direct conversion,

1 inch = 25.4 mm

1mm = = 0.03937 in

d (mm) = d(in) × 25.4

For instance,

If you want to convert 5 **inches to mm,**

d (mm) = 5 in × 25.4 = 127 mm

### How to Use Our Inches to Millimetres Converter?

You can use our Converter for effortless conversions. See how

**Step: 1-** Click here to use our calculator

**Step: 2-** enter the value of inches to be converted to mm

**Step: 3-** Click on ‘calculate’ to get the result.

Once you click on calculate, you will find the instant answer below. You can put whatever and as many values as you want. You will get the answer with the same accuracy and speed every time you enter the new value. You can swap the units by clicking on ‘swap’ and see your previous conversions by clicking on ‘history’.

### How Many Millimetres Are in an Inch?

One inch is made up of 25.4 millimetres

1in = 25.4mm/in × 1in = 25.4mm

### What is the Millimetres Unit of Measure?

A millimetre is a unit that measures length in metric systems, equalling one-thousandth of a meter and 1/32 of an inch.

### What is the Current Use of Millimetres?

A millimetre is used to measure small lengths and distances. It is used to measure the size of very small items such as the thickness of papers, ID cards, credit cards, debit cards etc. It is often used in the medical field such as to measure the size of bacteria, cells, and tumours. Scientists use millimetres to represent the size of micro specimens.

### Why Convert Length From Inches to Millimetres?

Inches would be an inappropriate unit to measure the size and thickness of very tiny objects. Therefore, millimetres are favoured over inches. Conversions are necessary in order to maintain the accuracy of measurements taken by various individuals. For instance, while you are habituated to millimetres, someone has measured the value in inches. Therefore, you must **convert inches to millimetres** to determine the measurement in millimetres.

### Difference Between Inches and Millimetres.

Inches and millimetres, both units are used to measure the length but have a look at their difference,

- Inch is the measurement unit in the imperial system, while millimetre in the metric system
- An inch is bigger than a millimetre
- ‘mm’ is the abbreviation of a millimetre while ‘in’ or “ of an inch.
- 1 inch = 25.4 mm
- 1mm = = 0.03937 in

### Examples of Converting Inches to Millimetres.

We have presented some illustrations of **inches to millimetre conversions** to help you,

d (mm) = 25 in × 25.4 = 635 mm

d (mm) = 40 in × 25.4 = 1,016 mm

### Inches to Millimetres Conversion Table.

Have a quick look at **the inches to millimetre conversion table,**

Inches |
Millimeter |

0.01 in |
0.254000 mm |

1/32 in |
0.793750 mm |

0.1 in |
2.540000 mm |

1 in |
25.4 mm |

2 in |
50.8 mm |

10 in |
254.0 mm |

100 in |
2540.0 mm |