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A.u. of Length to Kilometer Converter

Convert atomic units of length (a₀) to kilometers (km). 1 a₀ = 5.291772109 × 10⁻¹⁴ km.

1 a₀ = 5.291772109 × 10⁻¹⁴ km

Kilometer to A.u. of Length converter

How to convert atomic units of length to kilometers

1 a.u. of length is equal to 5.291772109 × 10⁻¹⁴ kilometers, and 1 kilometer is equal to 18,897,261,250,000 atomic units of length. To convert, multiply by the conversion factor:

kilometers = atomic units of length × 5.291772109 × 10⁻¹⁴
kilometers = atomic units of length ÷ 18,897,261,250,000

Example: convert 1 a₀ to km: 1 × 5.291772109 × 10⁻¹⁴ = 5.291772109 × 10⁻¹⁴ km.

A.u. of Length to Kilometer conversion table

A.u. of Length (a₀)Kilometer (km)
0.01 a₀5.291772109 × 10⁻¹⁶ km
0.1 a₀5.291772109 × 10⁻¹⁵ km
1 a₀5.291772109 × 10⁻¹⁴ km
2 a₀1.058354422 × 10⁻¹³ km
3 a₀1.587531633 × 10⁻¹³ km
5 a₀2.645886055 × 10⁻¹³ km
10 a₀5.291772109 × 10⁻¹³ km
20 a₀1.058354422 × 10⁻¹² km
50 a₀2.645886055 × 10⁻¹² km
100 a₀5.291772109 × 10⁻¹² km
250 a₀1.322943027 × 10⁻¹¹ km
500 a₀2.645886055 × 10⁻¹¹ km
1,000 a₀5.291772109 × 10⁻¹¹ km

About the a.u. of length

The atomic unit of length is the Bohr radius, about 5.29 × 10⁻¹¹ m: the most probable distance between the proton and electron in a hydrogen atom.

Symbol: a₀ · 1 a₀ = 5.291772109 × 10⁻¹¹ m · Category: Atomic & physics

About the kilometer

A kilometer is 1,000 meters. It's the standard unit for distances between places, road signs and running races in most countries.

Symbol: km · 1 km = 1,000 m · Category: Metric (SI)

Frequently asked questions

How many kilometers are in a a.u. of length?

There are 5.291772109 × 10⁻¹⁴ kilometers in 1 a.u. of length (a₀).

How many atomic units of length are in a kilometer?

1 kilometer (km) equals 18,897,261,250,000 atomic units of length.

How do I convert atomic units of length to kilometers?

Multiply the length in atomic units of length by 5.291772109 × 10⁻¹⁴. For example, 1 a₀ × 5.291772109 × 10⁻¹⁴ = 5.291772109 × 10⁻¹⁴ km.

How do I convert kilometers to atomic units of length?

Divide the length in kilometers by 5.291772109 × 10⁻¹⁴, or multiply it by 18,897,261,250,000. You can also use the Kilometer to A.u. of Length converter.