Fast, accurate & completely free. 12+ tools for business, finance, health & developers — no signup required.
Calculate fees, profits & pricing for every marketplace
Calculate all Etsy fees — listing, transaction, payment processing & offsite ads. See your actual profit.
🔥 PopularCalculate Amazon referral fees, FBA fulfillment fees, storage & your net profit per unit.
🔥 PopularCalculate your Shopify store profit after subscription, transaction fees & all costs.
✨ NewSee exactly how much you earn on Fiverr after 20% service fee & withdrawal costs.
Calculate eBay insertion fees, final value fees & payment processing costs.
Calculate gross & net profit margin, markup percentage for any product or business.
🔥 PopularSmart calculators for freelancers, businesses & investors
Track nutrition, fitness goals & daily health metrics
Essential utilities for developers, writers & everyone
All tools are completely free. No hidden charges, no premium tiers.
All calculations happen in your browser. Your data never leaves your device.
Optimized for mobile, tablet & desktop. Use any tool on any device.
Updated for 2026 fee structures and latest data. Always current.