Roman obolus = 0.0005682864407 kilogram (mass)
Try converting from "Roman obolus" to AMU (atomic mass unit), assay ton, cotton bale Egypt, drachma2 (Greek drachma), dram ap (apothecary dram), earth mass, English carat, funt (Russian funt), Israeli shekel mass, kwan (Japanese kwan), long quarter, oz troy (troy ounce), pfund (German pfund), pound, scruple (apothecary scruple), short hundredweight (avoirdupois short hundredweight), short ton, Spanish quintal, stone, uncia (Roman uncia), or any combination of units which equate to "mass" and represent mass.
Roman obolus = 3.42E+23 AMU (atomic mass unit), 2.84 carat troy (troy carat), .00093964 catty (Chinese catty), .00001253 cental (British cental), 6.27 crith, .00000568 doppelzentner, 6.24E+26 electron mass (electron rest mass), .00139206 funt (Russian funt), .79438402 Greek obolos, .040304 Israeli shekel mass, .00094698 kin (Japanese kin), .00001119 long hundredweight (avoirdupois long hundredweight), .02004571 oz (ounce), .01827083 oz ap (apothecary ounce), .00113657 pfund (German pfund), .0000347 pood (Russian pood), .00152257 pound troy (troy pound), 3.40E+23 proton mass (proton rest mass), .00000568 quintal, 6.26E-07 short ton.
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