Foot → Millimeter
1 ft = 304.8 mm. Convert feet to millimeters instantly with this free online tool.
1 ft = 304.8 mm
Foot to Millimeter Conversion Table
| Foot (ft) | Millimeter (mm) |
|---|---|
| 1 | 304.8 |
| 5 | 1,524 |
| 10 | 3,048 |
| 25 | 7,620 |
| 50 | 15,240 |
| 100 | 30,480 |
| 500 | 152,400 |
| 1000 | 304,800 |
Foot to Millimeter Formula
1 ft = 304.8 mm
Nominal vs Actual Lumber Sizes
| Nominal | Actual (in) | Actual (mm) |
|---|---|---|
| 1×2 | 3/4" × 1-1/2" | 19 × 38 |
| 1×4 | 3/4" × 3-1/2" | 19 × 89 |
| 1×6 | 3/4" × 5-1/2" | 19 × 140 |
| 2×2 | 1-1/2" × 1-1/2" | 38 × 38 |
| 2×4 | 1-1/2" × 3-1/2" | 38 × 89 |
| 2×6 | 1-1/2" × 5-1/2" | 38 × 140 |
| 2×8 | 1-1/2" × 7-1/4" | 38 × 184 |
| 2×10 | 1-1/2" × 9-1/4" | 38 × 235 |
| 2×12 | 1-1/2" × 11-1/4" | 38 × 286 |
| 4×4 | 3-1/2" × 3-1/2" | 89 × 89 |
| 6×6 | 5-1/2" × 5-1/2" | 140 × 140 |
About Foot and Millimeter
What is a Foot?
A foot equals 12 inches (0.3048 meters) and is the primary unit for measuring room dimensions, building heights, and property sizes in the US. A standard interior door is about 6 feet 8 inches tall.
What is a Millimeter?
A millimeter is one thousandth of a meter (0.001 m), the base unit of length in the metric system. A credit card is about 0.76 mm thick.
When to convert Foot to Millimeter
Converting feet to millimeters is common when working with imperial measurements alongside metric specifications. For example, measuring room length and width for flooring. Use millimeters for precision measurements under 1 cm, especially in hardware, engineering drawings, and tile work.
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