📏 Length
feet to mm Converter
Convert feet to mm instantly with a reference conversion table.
Quick answer: To convert feet to mm, multiply by 304.8. For example, 1 feet = 304.8 mm. Use the calculator below for any value.
feet to mm
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Common conversions
| feet | mm |
|---|
Formula:
How to convert feet to mm
1
Enter your value
Type the number of feet you want to convert into the left box. The result in mm appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — mm to feet. Your current value carries across so you don't have to re-enter anything.
3
About feet and mm
feet and mm are common length measurements.
📊 Common conversions at a glance
| feet | mm |
|---|---|
| 0.01 | 3.048 |
| 0.1 | 30.48 |
| 0.5 | 152.4 |
| 1 | 304.8 |
| 2 | 609.6 |
| 3 | 914.4 |
Reviewed for 2026. feet ↔ mm conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.