Inches to Mm Converter

Inches are a unit of length in the Imperial or U.S. Customary system, while millimeters represent a unit of length in the metric system. One inch is equal to exactly 25.4 millimeters.

### Why Convert Inches to Mm?

In the United States, inches are commonly used for measuring smaller distances. However, many technical drawings, product specifications, and scientific measurements use the metric system and millimeters instead. When working on a project that involves both customary and metric units, you’ll need to convert between the two systems.

### Our Inches to Millimeters Converter

Our online inches to millimeters converter is a simple, user-friendly tool that takes the hassle out of unit conversions. Simply enter the length in inches, and our converter will instantly display the equivalent measurement in millimeters.

The converter uses the standard conversion factor of 1 inch = 25.4 millimeters. It can handle decimal values for increased precision in your measurements.

### Inches to Millimeters Formula

For those who prefer to do the math themselves, the formula for converting inches to millimeters is:

Millimeters = Inches x 25.4

Simply multiply the number of inches by 25.4 to get the length in millimeters.

### Example Conversions

To give you a better sense of the conversion, here are some examples:

1 inch = 25.4 mm

6 inches = 152.4 mm

12 inches = 304.8 mm

0.5 inches = 12.7 mm

### Inches to Millimeters Conversion Table

Inches (in) | Millimeters (mm) | Inches (in) | Millimeters (mm) | Inches (in) | Millimeters (mm) |
---|---|---|---|---|---|

0.01 | 0.254 | 0.36 | 9.14 | 0.71 | 18.03 |

0.02 | 0.508 | 0.37 | 9.40 | 0.72 | 18.29 |

0.03 | 0.762 | 0.38 | 9.65 | 0.73 | 18.54 |

0.04 | 1.02 | 0.39 | 9.91 | 0.74 | 18.79 |

0.05 | 1.27 | 0.40 | 10.16 | 0.75 | 19.05 |

0.06 | 1.52 | 0.41 | 10.41 | 0.76 | 19.30 |

0.07 | 1.78 | 0.42 | 10.67 | 0.77 | 19.56 |

0.08 | 2.03 | 0.43 | 10.92 | 0.78 | 19.81 |

0.09 | 2.29 | 0.44 | 11.18 | 0.79 | 20.06 |

0.10 | 2.54 | 0.45 | 11.43 | 0.80 | 20.32 |

0.11 | 2.79 | 0.46 | 11.68 | 0.81 | 20.57 |

0.12 | 3.05 | 0.47 | 11.94 | 0.82 | 20.83 |

0.13 | 3.30 | 0.48 | 12.19 | 0.83 | 21.09 |

0.14 | 3.56 | 0.49 | 12.45 | 0.84 | 21.34 |

0.15 | 3.81 | 0.50 | 12.70 | 0.85 | 21.59 |

0.16 | 4.06 | 0.51 | 12.95 | 0.86 | 21.84 |

0.17 | 4.32 | 0.52 | 13.20 | 0.87 | 22.09 |

0.18 | 4.57 | 0.53 | 13.46 | 0.88 | 22.35 |

0.19 | 4.83 | 0.54 | 13.72 | 0.89 | 22.61 |

0.20 | 5.08 | 0.55 | 13.97 | 0.90 | 22.86 |

0.21 | 5.33 | 0.56 | 14.22 | 0.91 | 23.11 |

0.22 | 5.59 | 0.57 | 14.48 | 0.92 | 23.37 |

0.23 | 5.84 | 0.58 | 14.73 | 0.93 | 23.62 |