Millimeters to Feet Converter
Converting millimeters to feet is a multiplication by a fixed factor: 1 mm = 0.00328084 ft. The table below covers the values people look up most often, and the formula section shows exactly where that factor comes from.
Because one millimeter works out to 0.00328084 ft, the foot is the far smaller unit of the two: a figure given in foot always carries a smaller number than the same measurement in millimeter. A chart drawn in mm can hide that, so check which label the axis uses before you compare two readings.
DIY and home-improvement work is where this pair shows up most: you measure in millimeters but the hardware store or an imported product sheet quotes feet, so the conversion has to be right the first time.
The conversion factor used here is 0.00328084 ft per millimeter (8 significant digits as shown). Kept to seven figures it covers professional measurement; if you round it to two or three decimals for a spreadsheet, the error scales with the input — at a value of 1,000 mm a factor rounded to three decimals can be off by a measurable amount. The reverse direction uses 304.8 mm per ft, the exact reciprocal, so a round trip through both pages returns your original number.
Millimeters to Feet formula
Use this formula to convert any millimeter value to feet:
Worked example: 100 mm × 0.00328084 = 0.328084 ft.
Millimeters to Feet conversion table
| Millimeters (mm) | Feet (ft) |
|---|---|
| 0.5 mm | 0.00164042 ft |
| 1 mm | 0.00328084 ft |
| 2 mm | 0.00656168 ft |
| 5 mm | 0.0164042 ft |
| 10 mm | 0.0328084 ft |
| 20 mm | 0.0656168 ft |
| 50 mm | 0.164042 ft |
| 100 mm | 0.328084 ft |
| 500 mm | 1.64042 ft |
| 1000 mm | 3.28084 ft |
How to convert millimeters to feet
Multiply the millimeter value by 0.00328084 to get the equivalent in feet. This single factor works for every value in the table above and for anything else you need — there is no per-value adjustment, which is why a conversion table and a calculator always agree.
If you need the opposite direction, use the Feet to Millimeters converter instead of dividing by hand; both pages use the same source factors. For every other mm conversion in one place, see the mm conversion hub.
Frequently asked questions
How many feet are in 1 millimeter?
1 millimeter = 0.00328084 ft.
What is 100 millimeters in feet?
100 mm = 0.328084 ft.
Is converting millimeters to feet the same as feet to millimeters?
No — the direction changes the multiplier. The reverse conversion (1 ft = 304.8 mm) is on the Feet to Millimeters page.
Related conversions
Try the ConvBolt Unit Converter for any other length unit, browse the Length conversions, or read our conversion guides.