Roman obolus = 0.0005682864407 kilogram (mass)
Try converting from "Roman obolus" to Babylonian shekel, bowling ball, carat troy (troy carat), catty (Chinese catty), dram troy (troy dram), earth mass, electron mass (electron rest mass), English carat, kwan (Japanese kwan), livre (French livre), long hundredweight (avoirdupois long hundredweight), obol (Greek obol), pennyweight troy (troy pennyweight), picul (Chinese picul), pound ap (apothecary pound), proton mass (proton rest mass), scruple (apothecary scruple), scrupulum (Roman scrupulum), talent (Greek talent), wey mass, or any combination of units which equate to "mass" and represent mass.
Roman obolus = .06789563 Babylonian shekel, .0000783 bowling ball, .00001253 cental (British cental), .00000167 cotton bale Egypt, .14616667 dram ap (apothecary dram), 2.77 English carat, .040304 Israeli shekel mass, .00056829 kg (kilogram), .00015149 kwan (Japanese kwan), .00001119 long hundredweight (avoirdupois long hundredweight), 5.59E-07 long ton (avoirdupois long ton), .00123434 Mexican libra, 175.4 mite (English mite), 3.39E+23 neutron mass (neutron rest mass), .02004571 oz (ounce), .36541667 pennyweight troy (troy pennyweight), .00152257 pound troy (troy pound), 3.40E+23 proton mass (proton rest mass), .00000568 quintal, .00001236 Spanish quintal.
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