Convert Angstroms to Kilometers

Convert Angstroms (Å) to Kilometers (km) instantly and accurately.

Angstroms (Å)
Kilometers (km)

Conversion Formula

km = Å × 1.000000000e-13

About Angstroms

An angstrom (Å) is equal to 0.1 nanometers or 10⁻¹⁰ meters, named after Swedish physicist Anders Jonas Ångström. While not an official SI unit, it remains widely used in chemistry, solid-state physics, and crystallography to express atomic distances and wavelengths. A typical atom has a diameter of 1-3 angstroms, and the spacing between atoms in crystals is commonly measured in angstroms. X-ray crystallographers use angstroms to describe molecular structures with atomic precision.

About Kilometers

A kilometer (km) is 1,000 meters and the standard unit for measuring longer distances in most of the world. It takes about 10-12 minutes to walk one kilometer at a normal pace. Common references include: a typical city block might be 100-200 meters (0.1-0.2 km), most cars display speed in km/h, and marathon races are 42.195 kilometers long. Road signs, GPS systems, and maps globally use kilometers to indicate distances between cities and locations.

Quick Reference Table

Angstroms (Å)Kilometers (km)
1 Å1 × 10-13 km
2 Å2 × 10-13 km
5 Å5 × 10-13 km
10 Å1 × 10-12 km
25 Å2.5 × 10-12 km
50 Å5 × 10-12 km
100 Å1 × 10-11 km

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