Attometre
From open-encyclopedia.com - the free encyclopedia.
Attometre (American spelling: attometer) is an SI measure of length that is equal to 10−18, or 1 quintillionth (atto-) of a metre. Its symbol is am.
1 am = 1 × 10−18 metre
zeptometre << attometre << femtometre
fr:Attomètre no:Attometer