Feet to Millimeters Converter (feet to mm)
Enter a value in feet to see it in millimeters instantly, or type in the millimeters box to convert the other way. 1 foot = 304.8 millimeters, and 1 millimeter = 0.0032808399 feet.
One foot is exactly 304.8 mm. Engineering drawings, plywood sheets (8 ft = 2,438.4 mm) and pipe lengths are the common reasons to convert feet to millimeters.
1 foot = 304.8 millimeters. Formula: mm = ft × 304.8 (or ft ÷ 0.0032808399)
1 foot in all length units
| Millimeters (mm) | 304.8 |
| Centimeters (cm) | 30.48 |
| Meters (m) | 0.3048 |
| Kilometers (km) | 0.0003048 |
| Inches (in) | 12 |
| Yards (yd) | 0.33333333 |
| Miles (mi) | 0.0001893939 |
| Nautical miles (nmi) | 0.0001645788 |
| Gaj (gaj) | 0.33333333 |
How to convert feet to millimeters
mm = ft × 304.8
Multiply the number of feet by 304.8. To convert millimeters back to feet, multiply by 0.0032808399, or divide by 304.8.
Example: 5 feet × 304.8 = 1,524 millimeters.
Feet to Millimeters conversion table
| Feet | Millimeters |
|---|---|
| 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 |
| 12 ft | 3,657.6 mm |
| 15 ft | 4,572 mm |
| 20 ft | 6,096 mm |
| 25 ft | 7,620 mm |
| 30 ft | 9,144 mm |
| 40 ft | 12,192 mm |
| 50 ft | 15,240 mm |
| 60 ft | 18,288 mm |
| 70 ft | 21,336 mm |
| 75 ft | 22,860 mm |
| 80 ft | 24,384 mm |
| 90 ft | 27,432 mm |
| 100 ft | 30,480 mm |
| 200 ft | 60,960 mm |
| 250 ft | 76,200 mm |
| 500 ft | 152,400 mm |
| 1,000 ft | 304,800 mm |
| Millimeters | Feet |
|---|---|
| 1 mm | 0.0032808399 ft |
| 2 mm | 0.0065616798 ft |
| 3 mm | 0.0098425197 ft |
| 4 mm | 0.01312336 ft |
| 5 mm | 0.016404199 ft |
| 6 mm | 0.019685039 ft |
| 7 mm | 0.022965879 ft |
| 8 mm | 0.026246719 ft |
| 9 mm | 0.029527559 ft |
| 10 mm | 0.032808399 ft |
| 12 mm | 0.039370079 ft |
| 15 mm | 0.049212598 ft |
| 20 mm | 0.065616798 ft |
| 25 mm | 0.082020997 ft |
| 30 mm | 0.098425197 ft |
| 40 mm | 0.1312336 ft |
| 50 mm | 0.16404199 ft |
| 60 mm | 0.19685039 ft |
| 70 mm | 0.22965879 ft |
| 75 mm | 0.24606299 ft |
| 80 mm | 0.26246719 ft |
| 90 mm | 0.29527559 ft |
| 100 mm | 0.32808399 ft |
| 200 mm | 0.65616798 ft |
| 250 mm | 0.82020997 ft |
| 500 mm | 1.6404199 ft |
| 1,000 mm | 3.2808399 ft |
About the foot and the millimeter
The foot is 12 inches, exactly 0.3048 m. It is the everyday unit for height, room dimensions and altitude in the US and for property in the UK and India.
The millimeter (millimetre) is one thousandth of a meter. It is the working unit on engineering drawings, screw and bolt sizes, paper sizes, phone dimensions and rainfall reports.
Frequently asked questions
How many millimeters are in a foot?
There are 304.8 millimeters in 1 foot. For any number of feet, multiply by 304.8.
How many feet are in a millimeter?
1 millimeter = 0.0032808399 feet. To convert millimeters to feet, multiply by 0.0032808399 or divide by 304.8.
What is 5 feet in millimeters?
5 feet = 1,524 millimeters (5 × 304.8).
Is the feet to mm conversion exact?
Yes. The 1959 international yard and pound agreement defined the yard as exactly 0.9144 meters, which makes the inch exactly 25.4 mm, the foot exactly 0.3048 m and the mile exactly 1,609.344 m. Every factor on this page follows from those definitions, so it is exact rather than approximate. Results are rounded to eight significant digits for display.
Related calculators
Last updated . Formulas are shown on the page and checked against the worked example.
Conversion factors are exact international definitions where one exists and standard reference values elsewhere. Results are rounded to 8 significant digits.