Astronomical Units (AU)	Feet (ft)
1 AU	490806662402 ft
2 AU	981613324803 ft
5 AU	2454033312010 ft
10 AU	4908066624020 ft
25 AU	12270166560000 ft
50 AU	24540333120100 ft
100 AU	49080666240200 ft
250 AU	1.227e+14 ft
500 AU	2.454e+14 ft
1000 AU	4.9081e+14 ft

Convert Astronomical Units to Feet

Convert astronomical units to feet (AU to ft) with our instant calculator. 1 AU = 490806662401.574768 ft. Includes exact formula and reference tables.

How to Convert Astronomical Units to Feet (AU to ft)

1 Astronomical Unit (AU) is equal to 490806662401.574768 Feet (ft). Multiply the astronomical unit value by 490806662400

Quick Answer 1 AU = 490806662401.574768 ft

Formula ft = AU × 490806662400

Inverse Factor 1 ft = 0 AU

Unit Definitions & Metrology Context

The standard SI base unit of length is the meter (m), defined as the distance traveled by light in a vacuum in 1/299,792,458 of a second.

About Astronomical Units (AU): Astronomical Unit (AU) is a unit in the Length & Distance measurement category. It is widely used in earth-sun distance (solar system). Relative to the length & distance base unit, 1 AU equals 149597870700 Meters (m).

About Feet (ft): Foot (ft) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 ft equals 0.3048 Meters (m).

Need to convert in the opposite direction? Visit our Convert Feet to Astronomical Units (ft to AU) calculator (1 ft = 0 AU).

Step-by-Step Worked Examples (AU to ft)

Convert 5 Astronomical Units to Feet: Applying the formula (ft = AU × 490806662400): starting with 5 AU, multiply the astronomical unit value by 490806662400 to get 2454033312007.874 ft.
Convert 10 Astronomical Units to Feet: Applying the formula (ft = AU × 490806662400): starting with 10 AU, multiply the astronomical unit value by 490806662400 to get 4908066624015.748 ft.
Convert 50 Astronomical Units to Feet: Applying the formula (ft = AU × 490806662400): starting with 50 AU, multiply the astronomical unit value by 490806662400 to get 24540333120078.7383 ft.

Popular Length & Distance Conversions

Kilometer ⇄ Mile

Multiply kilometers by ~0.621371 to get miles, or divide miles by 0.621371 to get kilometers.

Inch ⇄ Centimeter

1 inch is legally and scientifically defined as exactly 2.54 centimeters.

Foot ⇄ Meter

1 foot is defined as exactly 0.3048 meters (12 inches).

Mile ⇄ Nautical Mile

1 nautical mile is exactly 1,852 meters (~1.15078 statute miles).

Frequently Asked Questions

Verified answers and formulas for converting astronomical units to feet.

How many feet are in 1 astronomical unit?

There are 490806662401.574768 feet (ft) in 1 astronomical unit (AU). Conversely, 1 foot equals 0 astronomical units.

How do you convert astronomical units to feet?

To convert astronomical units (AU) to feet (ft), use the formula: ft = AU × 490806662400. Multiply the astronomical unit value by 490806662400. For example, 10 AU equals 4908066624015.748 ft.

How do I convert back from feet to astronomical units?

To convert in the reverse direction from feet (ft) to astronomical units (AU), use the inverse formula: AU = ft × 2.037462155e-12. Multiply the foot value by 2.037462155e-12 (1 ft = 0 AU).

What is the difference between astronomical unit (AU) and foot (ft)?

Both astronomical unit and foot measure length & distance. Astronomical Unit (AU) is a unit in the Length & Distance measurement category. It is widely used in earth-sun distance (solar system). Relative to the length & distance base unit, 1 AU equals 149597870700 Meters (m). Foot (ft) is a unit in the Length & Distance measurement category. It is a standard everyday unit of length & distance measurement. Relative to the length & distance base unit, 1 ft equals 0.3048 Meters (m).

How many miles are in a kilometer?

There are approximately 0.621371 miles in 1 kilometer. To convert kilometers to miles quickly in your head, multiply by 6 and divide by 10 (or multiply by 0.6).