EcomCalcTools
Free ecommerce fee and profit calculators for online sellers
EcomCalcTools helps online sellers estimate real profit after marketplace fees, ad spend, shipping, returns, and payment costs. It provides calculators for Amazon, Etsy, Shopify, eBay, TikTok Shop, Walmart, Noon, Stripe, PayPal, marketing ROI, SaaS metrics, and more. Calculations run in the browser with documented sources, formulas, assumptions, and update dates.