## Unit Converter

## Conversion formula

The conversion factor from inches to millimeters is 25.4, which means that 1 inch is equal to 25.4 millimeters:

1 in = 25.4 mm

To convert 30 inches into millimeters we have to multiply 30 by the conversion factor in order to get the length amount from inches to millimeters. We can also form a simple proportion to calculate the result:

1 in → 25.4 mm

30 in → L_{(mm)}

Solve the above proportion to obtain the length *L* in millimeters:

L_{(mm)} = 30 in × 25.4 mm

L_{(mm)} = 762 mm

The final result is:

30 in → 762 mm

We conclude that **30 inches is equivalent to 762 millimeters**:

30 inches = 762 millimeters

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case **1 millimeter is equal to 0.0013123359580052 × 30 inches**.

Another way is saying that *30 inches is equal to 1 ÷ 0.0013123359580052 millimeters*.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that **thirty inches is approximately seven hundred sixty-two millimeters**:

30 in ≅ 762 mm

An alternative is also that *one millimeter is approximately zero point zero zero one times thirty inches*.

## Conversion table

### inches to millimeters chart

For quick reference purposes, below is the conversion table you can use to convert from inches to millimeters

inches (in) | millimeters (mm) |
---|---|

31 inches | 787.4 millimeters |

32 inches | 812.8 millimeters |

33 inches | 838.2 millimeters |

34 inches | 863.6 millimeters |

35 inches | 889 millimeters |

36 inches | 914.4 millimeters |

37 inches | 939.8 millimeters |

38 inches | 965.2 millimeters |

39 inches | 990.6 millimeters |

40 inches | 1016 millimeters |