Convert Feet to Millimeters
Convert Feet(ft) to Millimeters(mm) or vice versa.
Related "ft" Conversion Units
Convert ft with other distance converter.
What is a Feet to Millimeters Converter?
Feet (ft) and millimeters (mm) are units for measuring length, but they come from different systems and represent very different scales. Feet are part of the imperial system (used mainly in the US), while millimeters are part of the metric system (used almost everywhere else and in science). Millimeters are used for very precise measurements.
This converter helps you change a measurement from feet to millimeters. This is useful when you need a high degree of accuracy and are working with the metric system.
The Conversion: 1 ft = 304.8 mm
Here's the key relationship:
1 foot = 304.8 millimeters
This means there are over 300 millimeters in a single foot.
Going the other way:
1 millimeter ≈ 0.00328 feet
Example: If you have a component that's 2 feet long, that's 2 ft * 304.8 mm/ft = 609.6 mm.
Use the converter at the top for an instant conversion!
When is This Conversion Useful?
This conversion is important in situations requiring high precision:
- Precision Engineering and Manufacturing
When working with very small parts or requiring very tight tolerances, millimeters are the standard unit. Converting from feet to millimeters ensures accuracy. This is common in fields like electronics, machining, and optics.
- Technical Drawings and Specifications
Many technical drawings and specifications use millimeters for precision. If you have measurements in feet, you'll need to convert.
- Scientific Research
The metric system (and millimeters) is the standard in scientific research.
- 3D Printing and Modeling
3D printing often uses millimeters for precise dimensions.
How to Convert:
Here's how to convert manually:
Feet to Millimeters (ft to mm)
Multiply the number of feet by 304.8.
Example: A length of 4 feet is 4 ft * 304.8 mm/ft = 1219.2 mm.
Millimeters to Feet (mm to ft)
Divide the number of millimeters by 304.8 (or, multiply by 0.00328 for an approximation).
Example: A length of 500 millimeters is 500 mm / 304.8 mm/ft ≈ 1.64 feet.
But the fastest way is to use our converter above!
Key Reminders
304.8 is the key number. That's how many millimeters are in one foot.
Precision Matters: Remember that millimeters are for very precise measurements.
| Foot | Millimeter |
|---|---|
| 0.01 Foot | 3.05 Millimeter |
| 0.1 Foot | 30.48 Millimeter |
| 1 Foot | 304.80 Millimeter |
| 2 Foot | 609.60 Millimeter |
| 3 Foot | 914.40 Millimeter |
| 5 Foot | 1524.00 Millimeter |
| 10 Foot | 3048.00 Millimeter |
| 20 Foot | 6096.00 Millimeter |
| 50 Foot | 15240.00 Millimeter |
| 100 Foot | 30480.00 Millimeter |
| 1000 Foot | 304800.00 Millimeter |
| 10000 Foot | 3048000.00 Millimeter |
| 100000 Foot | 30480000.00 Millimeter |