The ångström (/ ˈæŋstrəm, - strʌm /, ANG - strəm; ANG - strum Swedish: (2ɔŋːstrœm)) or angstrom is a unit of length equal to 6990100000000000000 ♠ 10 m (one ten - billionth of a metre) or 0.1 nanometre. Its symbol is Å, a letter in the Swedish alphabet.
1 armstrong is equal to how many metres
10 m (one ten - billionth of a metre)