Seeing as we can see the size of the crater formed by Saitama's moon jump on Boros's ship, Could we use that to scale the energy required to destroy 1^3 meter of the hull? Then we can see how much of it Boros is capable of destroying in one attck while in Meteoric Burst to scale his AP more precisely?
Also, this would not be calc stacking, as we are finding the durability of the ship's hull, and then using that as our baseline. It would be more like how we scaled Vibranium, and characters breaking it, rather than
Example three on the calc stacking page I have some calculations for this already done, but I don't have a program for pixel scaling, I just have to do really precise measurements with protractors and rulers, so mine are not too acurate.
And that's only for the strength of one cubic meter of the hull, I didn't go through the effort of Boros destroying it yet.