Slug a Proton Mass

Slug a M☉ | Slug a me | Slug a mμ | Slug a Dalton | Slug a u | Slug a Proton Mass | Slug a Neutron Mass | Slug a Deuteron Mass | Slug a ag | Slug a fg | Slug a pg | Slug a ng | Slug a γ | Slug a µg | Slug a mP | Slug a mg | Slug a cg | Slug a Lepton (Roman) | Slug a Quadrans (Roman) | Slug a gr | Slug a dg | Slug a ct | Slug a Assarion (Roman) | Slug a Gerah (Hebrew) | Slug a g | Slug a Scruple | Slug a pwt | Slug a Drachma (Greek) | Slug a Denarius (Roman) | Slug a Bekan (Hebrew) | Slug a Didrachma (Greek) | Slug a dag | Slug a Shekel | Slug a Tetradrachma (Greek) | Slug a pdl | Slug a oz | Slug a AT (US) | Slug a AT (UK) | Slug a hg | Slug a Mina (Greek) | Slug a lb (Troy) | Slug a lbs | Slug a Mina (Hebrew) | Slug a Dram | Slug a kg | Slug a Stone (US) | Slug a Stone (UK) | Slug a kgf*s²/m | Slug a qr (US) | Slug a qr (UK) | Slug a lbf*s²/ft | Slug a Talent (Greek) | Slug a Talent (Hebrew) | Slug a Cwt (US) | Slug a Cwt (UK) | Slug a qt | Slug a kip | Slug a ton (US) | Slug a t | Slug a Mg | Slug a t | Slug a ton (UK) | Slug a Gg | Slug a kt | Slug a Tg | Slug a Mt | Slug a Pg | Slug a Gt | Slug a Eg | Slug a Earth Mass | Slug a MJ | Slug a Sun Mass