The fuel used to kill an enemy is static, and only depends on the type of enemy killed. How much the enemy has been damaged before by other weapons does not matter.
'''1 fuel:'''{| {{prettySortable}}|-! Enemy !! Fuel required|-* | [[Hell razer]]|| 1|-* | [[Imp (Doom 2016)|Imp]]|| 1* [[Possessed]]|-** | [[Possessed worker]]|| 1|-** | [[Possessed scientist]]|| 1|-** | [[Possessed engineer]]|| 1|-** | [[Possessed soldier]]|| 1|-** | [[Possessed security]]|| 1|-* | [[Unwilling]]|| 1|-| [[Cacodemon (Doom 2016)|Cacodemon]] || 3|-| [[Hell knight (Doom 2016)|Hell knight]] || 3|-| [[Pinky (Doom 2016)|Pinky]] || 3|-| [[Revenant (Doom 2016)|Revenant]] || 3|-| [[Spectre (Doom 2016)|Spectre]] || 3|-| [[Baron of Hell (Doom 2016)|Baron of Hell]] || 5|-| [[Cyber-mancubus]] || 5|-| [[Mancubus (Doom 2016)|Mancubus]] || 5|-| [[Summoner]] || 5|}
'''3 fuelThe following enemies cannot be killed using the chainsaw:'''* [[Cacodemon (Doom 2016)|Cacodemon]]* [[Hell knight (Doom 2016)|Hell knight]]* [[Pinky (Doom 2016)|Pinky]]* [[Revenant (Doom 2016)|Revenant]]* [[Spectre (Doom 2016)|Spectre]] '''5 fuel:'''* [[Baron of Hell (Doom 2016)|Baron of Hell]]* [[Cyber-mancubus]]* [[Mancubus (Doom 2016)|Mancubus]]* [[Summoner]] '''Unkillable:'''
* [[Cyberdemon (Doom 2016)|Cyberdemon]]
* [[Hell guard]]
