ft to Earth's equatorial radius
92 unitsConvert Foot (US survey) to Earth's equatorial radius (ft to Earth's equatorial radius)
1 foot (US survey) = 4.778817e-8 Earth's equatorial radius. Convert feet (US survey) to Earth's equatorial radius instantly, with the exact factor, the formula and a reference table of common values.
ft to Earth's equatorial radius conversion table
| ft | Earth's equatorial radius |
|---|---|
| 1 ft | 4.778817e-8 Earth's equatorial radius |
| 2 ft | 9.557634e-8 Earth's equatorial radius |
| 3 ft | 1.433645e-7 Earth's equatorial radius |
| 5 ft | 2.389409e-7 Earth's equatorial radius |
| 10 ft | 4.778817e-7 Earth's equatorial radius |
| 20 ft | 9.557634e-7 Earth's equatorial radius |
| 50 ft | 0.000002389408619 Earth's equatorial radius |
| 100 ft | 0.000004778817239 Earth's equatorial radius |
| 250 ft | 0.0000119470431 Earth's equatorial radius |
| 500 ft | 0.00002389408619 Earth's equatorial radius |
| 1000 ft | 0.00004778817239 Earth's equatorial radius |
What is a foot (US survey)?
The foot (US survey) is a US survey unit. One foot (US survey) equals 0.3048006096 meters, so every conversion on this page starts from that single number. Survey units come from a slightly older definition of the foot that the United States kept for land measurement, so they are a tiny fraction larger than the modern versions.
The difference is far too small to notice in a room, but across miles of property boundary it matters, which is why surveyors and deed records keep the two apart.
In writing, the foot (US survey) is usually shortened to "ft". One foot (US survey) is 0.3048006096 meters, and that ratio is what every figure on this page is built from.