SourceCalc - 1688 Profit Calculator

SourceCalc helps cross-border sellers instantly see whether a product on 1688.com is actually profitable — before placing an order. **The problem:** A product listed at ¥15 on 1688 looks like it has huge margins. But after international shipping, customs duty, exchange rate conversion, and seller platform fees, the real margin is often 20-30% lower than expected. **How it works:** 1. Browse any product page on 1688.com 2. SourceCalc auto-detects the product price 3. Enter your selling price and adjust settings 4. See the full cost breakdown and true profit margin instantly **What it calculates:** - Sourcing cost converted at real-time exchange rates - International shipping estimates (sea and air freight) - Customs duty based on your product category - Platform seller fees for your marketplace - Net profit, margin percentage, and ROI **Settings you can customize:** - Target market (7 countries supported) - Selling platform and fee structure - Shipping method and package weight - Customs duty rate - Product quantity for total investment view All calculations run locally in your browser. No data is collected or sent to any server. Free to use.