Length
feet and inches to mm Converter
Convert feet plus inches into millimeters for drawings, specs, and fabrication work.
Convert feet + inches to mm
Useful for drawings, materials, furniture, and fabrication specs that need millimeters.
How to use this calculator
- Enter the values the calculator asks for.
- Check the instant result and alternate values below it.
- Use the chart and formula to verify common examples.
feet and inches to mm chart
| Feet + inches | Millimeters | Meters |
|---|---|---|
| 0 ft 6 in | 152.4 mm | 0.1524 m |
| 1 ft 0 in | 304.8 mm | 0.3048 m |
| 3 ft 0 in | 914.4 mm | 0.9144 m |
| 4 ft 11 in | 1,498.6 mm | 1.4986 m |
| 5 ft 8 in | 1,727.2 mm | 1.7272 m |
| 5 ft 10 in | 1,778 mm | 1.778 m |
| 6 ft 0 in | 1,828.8 mm | 1.8288 m |
| 6 ft 4 in | 1,930.4 mm | 1.9304 m |
Formula
mm = (feet x 12 + inches) x 25.4
Source
SI meter definitions and exact international inch, foot, yard, and mile relationships.
Common questions
How does the feet and inches to mm Converter work?
Convert feet plus inches into millimeters for drawings, specs, and fabrication work.
What formula does this calculator use?
mm = (feet x 12 + inches) x 25.4
Is the result exact?
SI meter definitions and exact international inch, foot, yard, and mile relationships. Some displayed values are rounded for readability, but the calculator keeps more precision internally.