File:Ink Saver Main Charger Splatling Chart.png

Formula
x = Ability Points = 10*MainSlots+3*SubSlots

A = % change due to Ink Saver (Main) = (0.99*x-(0.09*x)^2)/(200/3)

B = consumption per full charge = [base consumption]*(1-A)

Number of full charges = ROUNDDOWN(100/B,0)