Online calculator to convert feet to millimeters (ft to mm) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Length or Distance units.
Conversion Calculator
Conversion CalculatorEnter your value in the conversion calculator below.
Convert feet to mm
TIP: If the result of your conversion is 0, try increasing the "Decimals".
How to convert feet to mm: Enter a value in the feet field and click on the "Calculate mm" button. Your answer will appear in the mm field.
Conversion Definitions
The following is a list of definitions relating to conversions between feet and millimeters.
What is a foot (ft)?
A foot is a unit of Length or Distance in both US Customary Units as well as the Imperial System. The symbol for foot is ft or '. There are 0.00328084 feet in a millimeter.
What is a millimeter (mm)?
A millimeter is a unit of Length or Distance in the Metric System. The symbol for millimeter is mm. There are 304.8 millimeters in a foot. The International spelling for this unit is millimetre.
Conversion Formula
Let's take a closer look at the conversion formula 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
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from feet to millimeters (ft to mm).
Feet to Millimeter Conversion Example
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
Conversion Table
Conversion TableFor quick reference purposes, below is a conversion table that you can use to convert from feet to mm.
Feet to Millimeters Conversion Chart
| feet (ft) | millimeters (mm) |
|---|---|
| 1 feet | 304.8 mm |
| 2 feet | 609.6 mm |
| 3 feet | 914.4 mm |
| 4 feet | 1,219.2 mm |
| 5 feet | 1,524 mm |
| 6 feet | 1,828.8 mm |
| 7 feet | 2,133.6 mm |
| 8 feet | 2,438.4 mm |
| 9 feet | 2,743.2 mm |
| 10 feet | 3,048 mm |
| 20 feet | 6,096 mm |
| 30 feet | 9,144 mm |
| 40 feet | 12,192 mm |
| 50 feet | 15,240 mm |
| 75 feet | 22,860 mm |
| 100 feet | 30,480 mm |
| 250 feet | 76,200 mm |
| 500 feet | 152,400 mm |
| 750 feet | 228,600 mm |
| 1,000 feet | 304,800 mm |
| 2,500 feet | 762,000 mm |
| 5,000 feet | 1,524,000 mm |
| 7,500 feet | 2,286,000 mm |
| 10,000 feet | 3,048,000 mm |
| 25,000 feet | 7,620,000 mm |
| 50,000 feet | 15,240,000 mm |
| 75,000 feet | 22,860,000 mm |
| 100,000 feet | 30,480,000 mm |
| 250,000 feet | 76,200,000 mm |
Related Units
This table provides a summary of the Length or Distance units within their respective measurement systems.
| Unit | Symbol | Measurement System | Description |
|---|---|---|---|
| inches | in or " | US Customary Units/Imperial System | 36 inches = 1 yard |
| 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 |
| picometers | pm | Metric System | 1 m = 1,000,000,000,000 pm |
| nanometers | nm | Metric System | 1 m = 1,000,000,000 nm |
| micrometers | μm | Metric System | 1 m = 1,000,000 μm |
| millimeters | mm | Metric System | 1 m = 1,000 mm |
| centimeters | cm | Metric System | 1 m = 100 cm |
| decimeters | dm | Metric System | 1 m = 10 dm |
| meters | m | Metric System | base unit |
| decameters | dam or dkm | Metric System | 1 dam = 10 m |
| hectometers | hm | Metric System | 1 hm = 100 m |
| kilometers | km | Metric System | 1 km = 1,000 m |
| megameters | Mm | Metric System | 1 Mm = 1,000,000 m |
| gigameters | Gm | Metric System | 1 Gm = 1,000,000,000 m |
| nautical miles | M or NM or nmi | Non-SI (International) | 1 nmi = 1,852 meters |
| angstroms | Å | Non-SI (International) | 10,000,000,000 Å = 1 m |
| rods | rod | Non-SI (International) | 320 rods = 1 mile |
Note: For Length and Distance conversions, US Customary Units and the Imperial System are equivalent.
Find a Conversion
Looking for a conversion? Select a conversion type and the desired units.
Share on:
