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Tyres >Help >Tyres Help > Convert Millimetres to Inches
What are Millimetres?
Millimetres (mm) are a unit of length in the metric system, equal to one-thousandth of a metre. Millimetres are widely used for measuring small dimensions, such as the thickness of a material, the diameter of small objects, etc.
Millimetres to Inches Calculator
What are Inches?
Inches (in) are a unit of length in the imperial and US customary systems of measurement. One inch is defined as 1/12 of a foot or exactly 2.54 centimetres.
How to convert Millimetres to Inches?
To convert millimetres to inches, divide the length value in millimetres by 25.4, since one inch equals 25.4 millimetres.
How many Inches in 1 Millimetre?
There are approximately 0.0393701 inches in 1 millimetre.
Millimetres to Inches Formula
The formula to convert millimetres to inches is: Inches = Millimetres / 25.4
For example, if you have a length of 10 millimetres, the equivalent in inches would be: Inches = 10 / 25.4 = 0.393701 in
Millimetres to Inches Conversion Table
Here is a table of conversions from millimetres to inches for common lengths:
| Millimetres | Inches |
| 1 | 0.0393701 |
| 5 | 0.1968504 |
| 10 | 0.3937008 |
| 15 | 0.5905512 |
| 20 | 0.7874016 |
| 25 | 0.984252 |
| 30 | 1.1811024 |
| 35 | 1.3779528 |
| 40 | 1.5748032 |
| 45 | 1.7716535 |
| 50 | 1.9685039 |
| 100 | 3.9370079 |
| 150 | 5.9055118 |
| 200 | 7.8740157 |
| 250 | 9.8425197 |
| 300 | 11.8110236 |
| 350 | 13.7795276 |
| 400 | 15.7480315 |
| 450 | 17.7165354 |
| 500 | 19.6850394 |