Convert Feet to Millimeters
1 Foot (ft) = 304.8 Millimeters (mm). Use the free converter below to instantly convert any foot value to millimeters, or view the full conversion table and formula.
1 ft = 304.8 mm
Foot to Millimeter Conversion Table
How to Convert Feet to Millimeters
To convert feet to millimeters, multiply by 304.8. One foot = 12 inches, and each inch = 25.4 mm, so 1 foot = 304.8 mm exactly. For example, 6 feet × 304.8 = 1828.8 mm.
Worked Example: Convert 5 ft to mm
Start with the value in feet
5 ft
Apply the formula
mm = 5 × 304.8
Calculate the result
5 ft = 1524 mm
Foot to Millimeter Examples
1 ft is equal to 304.8 mm. Using the formula feet × 304.8, 1 ft converts to 304.8 mm.
2 ft is equal to 609.6 mm. Using the formula feet × 304.8, 2 ft converts to 609.6 mm.
3 ft is equal to 914.4 mm. Using the formula feet × 304.8, 3 ft converts to 914.4 mm.
5 ft is equal to 1524 mm. Using the formula feet × 304.8, 5 ft converts to 1524 mm.
6 ft is equal to 1828.8 mm. Using the formula feet × 304.8, 6 ft converts to 1828.8 mm.
10 ft is equal to 3048 mm. Using the formula feet × 304.8, 10 ft converts to 3048 mm.
15 ft is equal to 4572 mm. Using the formula feet × 304.8, 15 ft converts to 4572 mm.
20 ft is equal to 6096 mm. Using the formula feet × 304.8, 20 ft converts to 6096 mm.
Converting Millimeters to Feet
Need the reverse conversion? Use the table below for a quick reference converting millimeters back to feet.
| Millimeters (mm) | Feet (ft) |
|---|---|
| 1 | 0.003281 |
| 10 | 0.032808 |
| 25 | 0.082021 |
| 50 | 0.164042 |
| 100 | 0.328084 |
| 250 | 0.82021 |
Feet to Millimeters FAQ
How many mm is 1 foot?
1 foot equals exactly 304.8 millimeters (12 inches × 25.4 mm/inch).
When would I convert feet to mm?
This conversion is common in construction and manufacturing when working between imperial building plans and metric engineering specifications.
Understanding Feet and Millimeters
What is a Foot (ft)?
The foot (ft) is a unit of length in the imperial system. It is commonly abbreviated as ft and relates to millimeters by a factor of 304.8.
What is a Millimeter (mm)?
The millimeter (mm) is a unit of length in the metric system. It is commonly abbreviated as mm and relates to feet by a factor of 0.003281.