Convert Feet to Millimeters
Enter the length in feet below to get the value converted to millimeters.
How to Convert Feet to Millimeters
Convert feet to millimeters with this simple formula:
Converting a foot length measurement to a millimeter measurement involves multiplying the length by the conversion ratio to find the result. One foot is equal to 304.8 millimeters, so to convert simply multiply by 304.8.
Our inch fraction calculator can add feet and millimeters together and it also automatically converts the results to US customary, imperial and SI metric values.
Feet and millimeters are both units used to measure length. Learn more about length and find more length measurement conversion calculators. Feet are an imperial measurement and can be abbreviated as ft, for example 1 ft. Millimeters are a metric measurement and can be abbreviated as mm, for example 1 mm. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.
Millimeter is spelled millimetre internationally, and it is equal in length to .1 centimeters, 1000 micrometers, or 5/127 inch. They are represented by the smallest ticks on most metric rulers. To get a reference point of the size, the thickness of a dime is 1.35mm.
The foot has been used throughout history to measure length but the actual length varied. In the US it has always been equal to 12 inches and 1/3 of a yard. The standard 12" ruler can be used to measure a foot. In 1959 the world agreed that the yard would be equal to .9144 meters, hence a foot is equal to .3048 meters. In some cases you may need a linear footage measurement, which is simply the value of a length in feet, learn more.
We recommend using a ruler or tape measure for measuring length, which can be found at a local retailer or home center. Rulers are available in imperial, metric, or combination with both values, so make sure you get the correct type for your needs. If you need a ruler you can also download and print our free printable rulers which include both imperial and metric measurements.
Foot Measurements and Equivalent Millimeter Conversions
More Foot Length Conversions
- Convert to Miles
- 1' is equal to 0.000189 miles
- Convert to Yards
- 1' is equal to 0.333333 yards
- Convert to Inches
- 1' is equal to 12 inches