Astronomical Unit to Foot Conversion Calculator: Free Online Tool
Convert astronomical units to feet with our free online length converter.
Astronomical Unit to Foot Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Astronomical Unit).
- The converted value in Foot will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Length category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Astronomical Unit to Foot
Converting Astronomical Unit to Foot involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Astronomical Unit = 4.9081e+11 feetExample Calculation:
Convert 10 astronomical units: 10 × 4.9081e+11 = 4.9081e+12 feet
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.
What is a Astronomical Unit and a Foot?
An astronomical unit is a unit of length roughly equal to the average distance between Earth and the Sun. It is defined as exactly 149,597,870,700 meters.
The foot (plural: feet) is a unit of length in the British imperial and United States customary systems of measurement. It is defined as exactly 12 inches or 0.3048 meters.
Note: The Astronomical Unit is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Foot belongs to the imperial/US customary system.
History of the Astronomical Unit and Foot
Historically used to measure distances within the Solar System, its value was refined over centuries through astronomical observations. The exact definition was adopted by the IAU in 2012.
The foot has been used as a unit of length since antiquity, often based on the length of a human foot. Its exact length varied significantly over time and location until the international agreement in 1959 defined it precisely in terms of the meter.
Common Uses for astronomical units and feet
Explore the typical applications for both Astronomical Unit (imperial/US) and Foot (imperial/US) to understand their common contexts.
Common Uses for astronomical units
- Measuring distances within the Solar System (e.g., planet orbits)
- Expressing distances to near-Earth objects
Common Uses for feet
- Human Height: Measuring human height in the US and UK.
- US Dimensions: Measuring room dimensions, furniture sizes, and building layouts in the US.
- Aviation: Aviation altitude measurements (globally).
- US Construction: Construction and surveying in the US.
- Sports Fields: Describing lengths in sports fields (e.g., American football).
Frequently Asked Questions
Questions About Astronomical Unit (AU)
Why use Astronomical Units instead of kilometers or miles?
Astronomical Units (AU) provide a more convenient scale for the vast distances within our solar system. Expressing interplanetary distances in km or miles results in extremely large and unwieldy numbers.
How many kilometers/miles is 1 AU?
1 Astronomical Unit (AU) is approximately 149.6 million kilometers or 93 million miles.
How long does it take light to travel 1 AU?
It takes sunlight approximately 8 minutes and 20 seconds to travel the distance of one Astronomical Unit from the Sun to the Earth.
About Foot (ft)
How many inches are in a foot?
There are exactly 12 inches (in) in 1 foot (ft).
How many feet are in a yard?
There are exactly 3 feet (ft) in 1 yard (yd).
How many feet are in a mile?
There are exactly 5,280 feet (ft) in 1 mile (mi).
Conversion Table: Astronomical Unit to Foot
| Astronomical Unit (AU) | Foot (ft) |
|---|---|
| 1 | 490,813,648,293.963 |
| 5 | 2,454,068,241,469.816 |
| 10 | 4,908,136,482,939.632 |
| 25 | 12,270,341,207,349.08 |
| 50 | 24,540,682,414,698.16 |
| 100 | 49,081,364,829,396.32 |
| 500 | 245,406,824,146,981.62 |
| 1,000 | 490,813,648,293,963.25 |
All Length Conversions
Other Units from Length
- Meter (m)
- Kilometer (km)
- Hectometer (hm)
- Decimeter (dm)
- Centimeter (cm)
- Millimeter (mm)
- Inch (in)
- Yard (yd)
- Mile (mi)
- Nautical Mile (NM)
- Micrometer (μm)
- Nanometer (nm)
- Light Year (ly)
- Parsec (pc)
- Angstrom (Å)
- Point (Typography) (pt)
- Mil/Thou (mil)
- Fathom (fath)
- Furlong (fur)
- Link (Gunter's) (li)
- Pace (pace)
- Span (span)
- Digit (digit)
- Cable Length (cb)
- Ell (ell)
- Finger (finger)
- Roman Mile (m.p.)
- Stadion (stadion)
- Chi (Chinese) (chi)
- Shaku (Japanese) (shaku)
- Li (Chinese) (li)
- Toise (toise)
- Bolt (bolt)
- Rope (rope)
- Smoot (smoot)
- Sajene (sajene)
- Ken (ken)
- Wa (wa)
- Vara (vara)
- Aln (aln)
- Cubit (Royal/Egyptian) (cubit)
- Versta (versta)
- Arpent (arpent)
- Ri (Japanese) (ri)
- Klafter (klafter)
- Yojana (yojana)
- Skein (skein)