Input interpretation
argon | atomic mass
Result
39.948 u (unified atomic mass units)
Unit conversions
39.948 Da (daltons)
0.039948 kDa (kilodaltons)
6.6335×10^-23 grams
6.6335×10^-26 kg (kilograms)
39.95 chemical atomic mass units (unit officially deprecated)
39.961 physical atomic mass units (unit officially deprecated)
Corresponding quantities
Relative atomic mass A_r from A_r = m_aN_A/M_u: | 40
Molar mass M from M = m_aN_A: | 40 g/mol (grams per mole)