Astronomical Unit to Meter Converter
Convert Astronomical Unit (AU) to Meter (m) instantly. 1 AU = 149,597,870,700 m.
Length Converter
31 units available
1 AU = 149,597,870,700 m
Formula:
m = AU × 1.495979e+11With your value: 1 AU = 149,597,870,700 m
How big is that?
Everyday references on a logarithmic scale, all expressed in astronomical unit so you can sanity-check the result.
Other Astronomical Unit to Meter conversions
Astronomical Unit to Meter Conversion Table
| Astronomical Unit (AU) | Meter (m) |
|---|---|
| 0.5 | 74,798,935,350 |
| 1 | 149,597,870,700 |
| 2 | 299,195,741,400 |
| 5 | 747,989,353,500 |
| 10 | 1.495979e+12 |
| 15 | 2.243968e+12 |
| 20 | 2.991957e+12 |
| 25 | 3.739947e+12 |
| 50 | 7.479894e+12 |
| 100 | 1.495979e+13 |
| 250 | 3.739947e+13 |
| 500 | 7.479894e+13 |
| 1000 | 1.495979e+14 |
Meter to Astronomical Unit Conversion Table
| Meter (m) | Astronomical Unit (AU) |
|---|---|
| 0.5 | 3.342294e-12 |
| 1 | 6.684587e-12 |
| 2 | 1.336917e-11 |
| 5 | 3.342294e-11 |
| 10 | 6.684587e-11 |
| 15 | 1.002688e-10 |
| 20 | 1.336917e-10 |
| 25 | 1.671147e-10 |
| 50 | 3.342294e-10 |
| 100 | 6.684587e-10 |
| 250 | 1.671147e-9 |
| 500 | 3.342294e-9 |
| 1000 | 6.684587e-9 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Astronomical Unit (AU)
Length
The astronomical unit is exactly 149 597 870 700 m (IAU Resolution B2, 2012).
Source: IAU Resolution B2 (2012) — definition of the astronomical unit; IAU B2 (2015) nominal values
International Astronomical Union · Reviewed 2026-07-01
Meter (m)
Length
The metre is defined by taking the speed of light in vacuum to be exactly 299 792 458 m/s, with the second defined by the caesium frequency.
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Astronomical Unit to Meter
To convert from Astronomical Unit (AU) to Meter (m), multiply the value by 149,597,870,700.
Formula: m = AU × 1.495979e+11
Reverse: AU = m × 6.684587e-12
Step-by-Step Example
- Start with your value in Astronomical Unit. For example: 5 AU
- Multiply by the conversion factor: 5 x 149,597,870,700
- The result is: 747,989,353,500 m
About Astronomical Unit
The astronomical unit (AU) is defined as exactly 149,597,870,700 metres, close to the mean Earth–Sun distance. It is the natural yardstick for the Solar System.
Common uses: planetary science, orbital mechanics, astronomy.
About Meter
The meter is the base unit of length in the International System of Units (SI). It was originally defined as one ten-millionth of the distance from the equator to the North Pole.
Fun Fact: The meter was redefined in 1983 as the distance light travels in a vacuum in 1/299,792,458 of a second.
Common uses: construction, athletics, science.
Frequently Asked Questions
How many Meter are in 1 Astronomical Unit?
There are exactly 149,597,870,700 Meter in 1 Astronomical Unit. This means the conversion factor from Astronomical Unit to Meter is 149,597,870,700.
What is the formula to convert Astronomical Unit to Meter?
The formula to convert Astronomical Unit to Meter is: m = AU × 1.495979e+11. For example, to convert 10 Astronomical Unit to Meter, you would multiply 10 by 149,597,870,700.
What is a Astronomical Unit?
The astronomical unit (AU) is defined as exactly 149,597,870,700 metres, close to the mean Earth–Sun distance. It is the natural yardstick for the Solar System.
What is a Meter?
The meter is the base unit of length in the International System of Units (SI). It was originally defined as one ten-millionth of the distance from the equator to the North Pole.
What are the common uses of Astronomical Unit?
The Astronomical Unit is commonly used in planetary science, orbital mechanics, astronomy.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Astronomical Unit to Meter converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/astronomical_unit-to-meter