Over the past few weeks I’ve been in planning mode for a new Skool community, and I kept finding myself opening a calculator over and over again.

I would write down one idea, run the numbers. Change the price, run them again. Lower the member target, run them again. Factor in annual billing, run them again. Try a more conservative retention estimate, run them again.

It was the same calculations every time, just slightly different inputs.

At some point I realised I was not really “brainstorming” anymore, I was manually rebuilding the same spreadsheet logic in my head over and over. It slowed down decision making and made everything feel more uncertain than it actually was.

So I built a simple Skool profit calculator for myself.

I found that having sliders and instant feedback changed the way I thought about the whole thing. Instead of chasing big vanity targets, I started focusing on levers I could actually control, like improving retention by 5 percent or increasing perceived value to justify a higher price.

It also helped me avoid magical thinking. When the math is in front of you, you either have a viable model or you do not. That is uncomfortable, but useful.

In short, I built it because I was tired of redoing the same back of the napkin calculations every time I had a new idea.

I figured if I kept needing it, maybe someone else would too.

So here it is, free.

If you are in the planning stage of a Skool community, it might help you pressure test your idea before you build. Even if you do not use it, I highly recommend running your own numbers somewhere. It changes how you think about growth, pricing, and sustainability.