EcomCalcTools is a free hub of fee and profit calculators built for e-commerce sellers, marketers, and SaaS founders. The platform consolidates more than 160 calculators into a single, searchable interface, allowing users to estimate net profit after marketplace fees, advertising spend, shipping, returns, and payment processing charges across Amazon, Etsy, Shopify, eBay, TikTok Shop, Walmart, Noon, and other platforms. It also includes marketing ROI tools, payment processor fee calculators (Stripe, PayPal), and SaaS metrics such as MRR, LTV, and churn rate.
Key features include:
- Extensive Calculator Library – Browse over 160 tools across categories like E-commerce, Marketing, SaaS, Finance, Payment Processing, and AI cost estimation.
- Platform-Specific Hubs – Dedicated sections for each major marketplace with tailored calculators (e.g., Amazon FBA Profit, Etsy Fees, TikTok Shop Fees).
- Transparent Methodology – Each calculator documents its sources, assumptions, and update policy, with links to official fee guides.
- Privacy-First Design – No signup, email wall, or stored data; calculations run locally in the browser.
- Multi-Language Support – Available in English, Spanish, Portuguese, Arabic, Russian, and Kazakh.
- Additional Resources – A blog with fee guides and benchmark articles, plus a Chrome extension for quick access.









