Ecom Calc Tools

Freemium

Ecom Calc Tools provides free browser calculators for fees, profits and ROI, useful for ecommerce sellers, marketers and SaaS founders.

Visit Site →

Overview Updated October 28, 2026

Ecom Calc Tools screenshot — Ecom Calc Tools — official website

Ecom Calc Tools is a collection of free, in-browser calculators aimed at people who sell online or run subscription services. The site covers fees, profit margins, ROI and other common finance metrics without requiring an account or storing your data.

Calculators and guides cover costs across a range of platforms and payment providers, letting you do quick checks and side-by-side comparisons to help with pricing and planning.

Metrics include ROI, ROAS, CAC, CLV, churn, MRR, burn rate, taxes and payment fees.
Platform coverage: Amazon, eBay, Etsy, Shopify, TikTok Shop, Stripe and PayPal.
No signup required, runs entirely in the browser; includes fee guides and comparison tools.

Official site: https://ecomcalctools.com/