About Ecom Calc Tools
Free ecommerce, marketing & SaaS calculators
Ecom Calc Tools offers a large set of free online calculators for ecommerce sellers, marketers, and SaaS founders. It covers fees, profit margins, ROI, ROAS, CAC, CLV, churn, MRR, burn rate, taxes, and payment costs across platforms like Amazon, eBay, Etsy, Shopify, TikTok Shop, Stripe, and PayPal. Everything runs in the browser, so there's no signup, no email wall, and no data stored. The site also includes fee guides and comparison tools that help users understand platform costs and make better business decisions. It's built for quick checks, side-by-side comparisons, and practical day-to-day planning.
How we collaborate
Highlights
- No signup, no email wall, no data stored
- Covers Amazon, eBay, Etsy, Shopify, TikTok Shop & more
- Free calculators for fees, profit margins, ROI, ROAS, CAC & more
Reviews
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Location
Location shown on map (Da, Burkina Faso). Exact address is shared after you connect.


