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