Input interpretation
calcium | atomic mass
Result
40.078 u (unified atomic mass units)
Unit conversions
40.078 Da (daltons)
0.040078 kDa (kilodaltons)
6.6551×10^-23 grams
6.6551×10^-26 kg (kilograms)
40.08 chemical atomic mass units (unit officially deprecated)
40.091 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)