For TikTok Shop, Amazon FBA and Shopify sellers

Free seller calculators built for real ecommerce decisions.

Estimate profit, margin, ROAS and break-even ad costs before launching your next product or campaign.

MVP tool

Seller Profit Calculator

Enter your product economics to estimate profit, margin and break-even ROAS.

Net profit $0.00
Profit margin 0%
Break-even ad spend $0.00
Break-even ROAS 0.00x

Live tools

Seller tools you can use now

Each tool has its own SEO landing page, explanation content and internal links.

TikTok Shop Profit Calculator

Estimate fees, shipping, ad spend and net margin for short-video commerce.

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Amazon FBA Fee Calculator

Model referral fees, fulfillment costs, storage and advertising scenarios.

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Shopify Margin Calculator

Calculate contribution margin after payment fees, apps and fulfillment.

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Break-even ACoS Calculator

Know the maximum ad cost your product can support before losing money.

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ROAS Calculator

Convert revenue and ad spend into quick campaign performance benchmarks.

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Product Title Generator

Create search-friendly listing title drafts for ecommerce marketplaces.

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TikTok Hashtag Generator

Generate starter hashtag sets for short-form product content.

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Seller education

Practical guides behind every calculator.

Read platform-specific guides for pricing, fees, return rate planning, advertising break-even points and listing conversion before scaling a product.

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