Input interpretation
oxygen | atomic mass
Result
15.999 u (unified atomic mass units)
Unit conversions
15.999 Da (daltons)
0.015999 kDa (kilodaltons)
2.6567×10^-23 grams
2.6567×10^-26 kg (kilograms)
16 chemical atomic mass units (unit officially deprecated)
16.004 physical atomic mass units (unit officially deprecated)
Comparison as mass of atom
≈ 1.3 × carbon-12 atomic mass ( ≈ 2×10^-26 kg )
Corresponding quantities
Relative atomic mass A_r from A_r = m_aN_A/M_u: | 16
Molar mass M from M = m_aN_A: | 16 g/mol (grams per mole)