Input interpretation
darmstadtium | atomic mass
Result
281 u (unified atomic mass units) (atomic mass number given for longest-lived known isotope)
Unit conversions
281 Da (daltons)
0.281 kDa (kilodaltons)
4.67×10^-22 grams
4.67×10^-25 kg (kilograms)
281 chemical atomic mass units (unit officially deprecated)
281 physical atomic mass units (unit officially deprecated)
Comparison as mass of atom
≈ 1.4 × lead-208 atomic mass ( ≈ 208 u )
Corresponding quantities
Relative atomic mass A_r from A_r = m_aN_A/M_u: | 281
Molar mass M from M = m_aN_A: | 281 g/mol (grams per mole)