Astronomical Unit to Dekameter Converter

Length Converter

31 units available

Decimals:

From

To

14,959,787,070

1 AU = 14,959,787,070 dam

Formula:

dam = AU × 1.495979e+10

With your value: 1 AU = 14,959,787,070 dam

How big is that?

Everyday references on a logarithmic scale, all expressed in astronomical unit so you can sanity-check the result.

Olympic pool (1/3.0e+9 your value)3.34e-10 AU

Football pitch (length) (1/1.4e+9 your value)7.02e-10 AU

Eiffel Tower (1/4.5e+8 your value)2.21e-9 AU

Burj Khalifa (1/1.8e+8 your value)5.53e-9 AU

Marathon (1/3.5e+6 your value)2.82e-7 AU

Your value1.00 AU

Other Astronomical Unit to Dekameter conversions

2 AU to dam 3 AU to dam 4 AU to dam 5 AU to dam 6 AU to dam 7 AU to dam 8 AU to dam

Astronomical Unit to Dekameter Conversion Table

Astronomical Unit (AU)	Dekameter (dam)
0.5	7,479,893,535
1	14,959,787,070
2	29,919,574,140
5	74,798,935,350
10	149,597,870,700
15	224,396,806,050
20	299,195,741,400
25	373,994,676,750
50	747,989,353,500
100	1.495979e+12
250	3.739947e+12
500	7.479894e+12
1000	1.495979e+13

Dekameter to Astronomical Unit Conversion Table

Dekameter (dam)	Astronomical Unit (AU)
0.5	3.342294e-11
1	6.684587e-11
2	1.336917e-10
5	3.342294e-10
10	6.684587e-10
15	1.002688e-9
20	1.336917e-9
25	1.671147e-9
50	3.342294e-9
100	6.684587e-9
250	1.671147e-8
500	3.342294e-8
1000	6.684587e-8

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

Exact conversion

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

Dekameter (dam)

Length

Exact conversion

Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).

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 Dekameter

To convert from Astronomical Unit (AU) to Dekameter (dam), multiply the value by 14,959,787,069.999998.

Formula: dam = AU × 1.495979e+10

Reverse: AU = dam × 6.684587e-11

Step-by-Step Example

Start with your value in Astronomical Unit. For example: 5 AU
Multiply by the conversion factor: 5 x 14,959,787,069.999998
The result is: 74,798,935,350 dam

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 Dekameter

The dekameter (dam) is a unit of distance and length. One dekameter equals 10 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: length calculations, engineering and science, education.

Frequently Asked Questions

How many Dekameter are in 1 Astronomical Unit?

There are exactly 14,959,787,069.999998 Dekameter in 1 Astronomical Unit. This means the conversion factor from Astronomical Unit to Dekameter is 14,959,787,069.999998.

What is the formula to convert Astronomical Unit to Dekameter?

The formula to convert Astronomical Unit to Dekameter is: dam = AU × 1.495979e+10. For example, to convert 10 Astronomical Unit to Dekameter, you would multiply 10 by 14,959,787,069.999998.

What is a Astronomical Unit?