Does the cost of every subsequent dV exponentially increase? in Gameplay Questions and Tutorials Posted May 5, 2022 In career mode you have a cost constraint to optimize for. I have noticed that certain rocket sizes are much cheaper then other ones. Using the Kerbal Optimal Rocket Size calculator,assuming a 10t payload and assuming it's correct, you would get values along these lines: Total dV Total Cost Cost Next dV 9000 248630 / 8000 161570 87060 7000 88400 73170 6000 53160 35240 5000 30800 22360 4500 24470 6330 4000 21080 3390 3000 11200 9880 2000 7575 3625 As you can see from this, not very scientific, table the cost from going from 7000 dV to 8000 dV is much greater then going from, say, 5000 dV to 6000 dV. There is that strange anomaly around 3000 dV. There appear to be a brake-point somewhere when it becomes more cost effective to launch multiple rockets, for example a main one and a refuel one, then to launch just one single rocket. This also appears to get much worse the heavier the payload. That is why I have been thinking about how a mining base on Minmus is a real gateway to the heavens. Allowing you to launch much smaller rockets because you can split the dV need for the mission and the initial to orbit and out of Kerbin's SOI.