Measurement converter

Try converting from "Spanish quintal" to arroba (Mexican arroba), assay ton, bag, bes (Roman bes), bowling ball, doppelzentner, dram troy (troy dram), earth mass, English carat, hyl, kin (Japanese kin), long hundredweight (avoirdupois long hundredweight), long ton (avoirdupois long ton), oz ap (apothecary ounce), oz troy (troy ounce), picul (Chinese picul), proton mass (proton rest mass), Roman obolus, stone, uncia (Roman uncia), or any combination of units which equate to "mass" and represent mass.

Spanish quintal = 140.83 as (Roman as), 5,495.13 Babylonian shekel, 229,971.33 carat troy (troy carat), 1.01 cental (British cental), .1352 cotton bale Egypt, 507,662.98 crith, 10,951.02 dinar (Arabian dinar), 11,830 dram ap (apothecary dram), 7.69E-24 earth mass, 224,362.27 English carat, 112.67 funt (Russian funt), 64,293.48 Greek obolos, 4,690.11 hyl, .90535714 long hundredweight (avoirdupois long hundredweight), .04599427 metric ton, 2.75E+28 neutron mass (neutron rest mass), 91.99 pfund (German pfund), 2.75E+28 proton mass (proton rest mass), 4.06 short quarter, 100 Spanish libra.