Hey folks,
I’ve been chatting with quite a few Shopify store owners lately, and one pain point kept popping up over and over.
A lot of sellers only look at their gross revenue and have no clear idea of their actual profit once all the hidden expenses get factored in.
Platform fees, ad spend, product costs, shipping and fulfillment all eat into your margins.
Most calculators out there are too basic. They skip many of these real‑world costs, which can easily lead sellers to make poor pricing and business decisions.
That’s why I decided to build this tool for the community.
Meet MerchCalc
MerchCalc is a lightweight profit and break‑even calculator built specifically for ecommerce / Shopify sellers.
What it handles right now
✅ Calculate your real net profit after all your costs
✅ Work out your exact break‑even point
✅ Include Shopify transaction fees, ad spend, product cost, shipping and fulfillment
✅ No mandatory login, you can jump straight in and start calculating
✅ It works offline, so you don’t need stable internet every single time
✅ 100% free for sellers to use
If you want to try it out:
https://merchcalc.com
This is my side project, and I’m still iterating on it.
My roadmap is to roll out more practical ecommerce calculators down the line.
I’d really appreciate feedback, feature requests or bug reports from other builders and Shopify sellers here in the community.
Thanks for reading!
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