proton rest mass = 1.672614E-27 kilogram
Try converting from "proton mass" to AMU (atomic mass unit), as (Roman as), bes (Roman bes), catty (Chinese catty), cotton bale (US), cotton bale Egypt, denarius (Roman denarius), dinar (Arabian dinar), drachma2 (Greek drachma), dram ap (apothecary dram), electron mass (electron rest mass), hyl, metric ton, Mexican libra, oz ap (apothecary ounce), picul (Chinese picul), pound, scruple (apothecary scruple), slug, wey mass, or any combination of units which equate to "mass" and represent mass.
proton mass = 1.40E-28 arroba (Mexican arroba), 3.92E-29 bag, 8.36E-24 carat troy (troy carat), 4.92E-30 cotton bale Egypt, 1.85E-23 crith, 3.98E-25 dinar (Arabian dinar), 4.30E-25 dram ap (apothecary dram), 4.30E-25 dram troy (troy dram), 2.80E-52 earth mass, 1,836.11 electron mass (electron rest mass), 4.10E-27 funt (Russian funt), 2.34E-24 Greek obolos, 1.67E-30 metric ton, 3.90E-27 mina (Greek mina), 3.69E-27 pound, 1.67E-29 quintal, 1.47E-28 short quarter, 1.84E-30 short ton, 4.42E-26 tael (Chinese tael), 6.49E-29 talent (Greek talent).
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