7 tools
Marketplace tools
Fee and margin calculators for Amazon, Etsy, print-on-demand, and dropshipping.
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Amazon FBA true margin calculator
Free Amazon FBA margin calculator. Enter your sale price, unit cost, referral fee, FBA fulfillment fee, and storage fee to see your true net margin and break-even price.
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Amazon vs Shopify vs own-site fee comparison
Enter your product price, category, and monthly volume to see the true per-unit fee stack across Amazon, Shopify, and your own site — and the exact volume where each channel becomes most profitable.
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Digital product margin calculator
Enter your sale price and pick a platform — Gumroad, Lemon Squeezy, Payhip, or Shopify — to see the full fee stack, net revenue per sale, and monthly income at different sales volumes.
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Dropshipping unit economics calculator
Free dropshipping unit economics calculator. Enter your sale price, supplier cost, shipping, platform fees, and ad CPA to see net profit per order, break-even CPA, and whether your ad spend is making the unit profitable or not.
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Etsy profit calculator
Free Etsy profit calculator. Enter your sale price, COGS, and shipping details to see your true payout after Etsy's listing fee, transaction fee, payment processing, and optional offsite ads levy.
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Multi-channel gross-to-net fee calculator
Enter your sale price and unit cost to see the real payout after Amazon, Etsy, Shopify, eBay, and direct (Stripe) fees — side by side across all five channels.
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Print-on-demand margin calculator
Free print-on-demand margin calculator for Printful, Printify, and similar services. Enter your sale price, base product cost, platform fee, and ad spend to see your true profit per sale and break-even price.