Online calculators to convert feet to milimeters (ft to mm) and milimeters to feet (mm to ft) with additional formulas, examples, and conversion tables. Our conversions provide a quick and easy way to convert between these units.

Enter your value in one of the conversion calculators below to **convert feet to mm ** or **convert mm to feet**.

Let's take a closer look at the conversion formulas so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

The formula to convert from feet to mm is:

mm = ft x 304.8

The formula to convert from mm to feet is:

ft = mm x 0.0032808399

Next, let's look at some examples showing the work and calculations that are involved in converting between feet (ft) and millimeters (mm).

Task: Convert 3 feet to millimeters (show work)Formula:ft x 304.8 = mmCalculations:3 ft x 304.8 = 914.4 mmResult:3 ft is equal to 914.4 mm

Task: Convert 750 millimeters to feet (show work)Formula:mm x 0.0032808399 = ftCalculations:750 mm x 0.0032808399 = 2.460629925 ftResult:750 mm is equal to 2.460629925 ft

For quick reference purposes, below are conversion tables that you can use to convert from feet to mm, and mm to feet.

feet (ft) | millimeters (mm) |
---|---|

1 ft | 304.8 mm |

2 ft | 609.6 mm |

3 ft | 914.4 mm |

4 ft | 1,219.2 mm |

5 ft | 1,524 mm |

6 ft | 1,828.8 mm |

7 ft | 2,133.6 mm |

8 ft | 2,438.4 mm |

9 ft | 2,743.2 mm |

10 ft | 3,048 mm |

20 ft | 6,096 mm |

30 ft | 9,144 mm |

40 ft | 12,192 mm |

50 ft | 15,240 mm |

75 ft | 22,860 mm |

100 ft | 30,480 mm |

250 ft | 76,200 mm |

500 ft | 152,400 mm |

750 ft | 228,600 mm |

1,000 ft | 304,800 mm |

millimeters (mm) | feet (ft) |
---|---|

1 mm | 0.0032808399 ft |

5 mm | 0.0164041995 ft |

10 mm | 0.032808399 ft |

25 mm | 0.0820209975 ft |

50 mm | 0.164041995 ft |

75 mm | 0.2460629925 ft |

100 mm | 0.32808399 ft |

250 mm | 0.820209975 ft |

500 mm | 1.64041995 ft |

750 mm | 2.460629925 ft |

1,000 mm | 3.2808399 ft |

2,500 mm | 8.20209975 ft |

5,000 mm | 16.4041995 ft |

7,500 mm | 24.60629925 ft |

10,000 mm | 32.808399 ft |

25,000 mm | 82.0209975 ft |

50,000 mm | 164.041995 ft |

75,000 mm | 246.0629925 ft |

100,000 mm | 328.08399 ft |

250,000 mm | 820.209975 ft |

The following is a list of definitions relating to conversions between feet and millimeters.

A foot is a unit of length in both US Customary Units as well as the Imperial System. The symbol for foot is ft or '. There are 12 inches in a foot.

A millimeter is a unit of length in the Metric System. The symbol for millimeter is mm. There are 1,000 millimeters in a meter. The International spelling is millimetre.

There are 0.0032808399 feet in a millimeter.

There are 304.8 millimeters in a foot.

This table provides a summary of the Length units within their respective measurement systems.

Unit | Symbol | Measurement System | Description |
---|---|---|---|

inches | in or " | US Customary Units/Imperial System | |

feet | ft or ' | US Customary Units/Imperial System | 1 foot = 12 inches |

yards | yd | US Customary Units/Imperial System | 1 yard = 3 feet |

miles | mi | US Customary Units/Imperial System | 1 mile = 1760 yards or 5280 feet |

millimeter | mm | Metric System | 1000 mm = 1 m |

centimeter | cm | Metric System | 100 cm = 1 m, 1 cm = 10 mm |

decimeter | dm | Metric System | 10 dm = 1 m, 1 dm = 10 cm |

meter | m | Metric System | 1 m = 1000 mm, 100 cm, 10 dm |

kilometer | km | Metric System | 1 km = 1000 m |

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