Enter a value in one of the fields to convert feet to millimeters:
To calculate the length in millimeters you multiply the length in feet by 304.8:
The millimeter is an international unit for measuring very small lengths. It equals 0.001 meters and 0.1 centimeters.
| Feet | Millimeters | |
|---|---|---|
| Marathon | 138,435.0 | 42,195,000.0 |
| Race track "Mille Miglia" | 5,279,855.6 | 1,609,300,000.0 |
| Earth radius | 20,925,738.2 | 6,378,165,000.0 |
| Earth circumference | 131,480,288.7 | 40,075,192,000.0 |
| Distance earth ↔ moon | 1,261,154,855.6 | 384,400,000,000.0 |
| Distance earth ↔ sun | 490,793,241,469.8 | 149,593,780,000,000.0 |