75+ Free Ecommerce Calculators — No Signup Required

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Free calculators for Amazon FBA, eBay, Etsy, Shopify, Walmart & TikTok Shop. Calculate fees, profit, and margins — instantly and accurately.

75+Free tools

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2026Fees updated

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Built for Serious Sellers

Not a generic calculator site — every tool is built specifically for ecommerce sellers.

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Always Up to Date

All fee structures updated whenever platforms change their rates. Always accurate 2026 data.

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Instant Results

No page reloads, no sign-ups, no waiting. Enter numbers and get results instantly on any device.

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100% Free Forever

Every tool is completely free. No credit card, no trial period, no hidden fees — free forever.

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Platform Specific

Amazon fees differ from eBay. Every calculator uses the exact fee structure for its platform.

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All Metrics Covered

Profit, ROI, ROAS, ACOS, LTV, break-even — every metric a seller needs across 75+ tools.

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Multi-Marketplace

US, UK, Canada, India, Australia — our tools support multiple marketplaces globally.

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Free · No signup required · Updated 2026 fees

SellerKalculator The complete free calculator toolkit for ecommerce sellers worldwide. Always accurate, always updated.

2026 official fee rates

100% free, no account needed

Works on all devices

🟠 Amazon FBA

🔵 eBay Tools

🟤 Etsy Tools

🟢 Shopify

🔷 Walmart

🎵 TikTok Shop

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🟠Amazon FBA 🔵eBay 🟤Etsy 🟢Shopify 🔷Walmart 🎵TikTok Shop 📦Dropshipping All Tools

All calculator results are estimates only. Fee data is sourced from official platform documentation and updated regularly. Always verify current fees with Amazon Seller Central, eBay, Etsy, Shopify or the relevant platform before making business decisions. SellerKalculator is not affiliated with Amazon, eBay, Etsy, Shopify, Walmart or TikTok.

Every Tool a Seller Needs.All in One Place.

Built for Serious Sellers

Ready to Calculate Your Real Profit?

Every Tool a Seller Needs.
All in One Place.