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Free tools

Free calculators for payment-verified ROAS

Meta and Google can both claim the same sale. Payment processors only collect once.These tools help you size the gap, and find the efficiency number a client can check in Stripe. They run in your browser. No account, no email.

Calculators

  • Tool 02

    MER / blended ROAS

    Payment revenue ÷ total ad spend. The number that survives a Stripe check.

  • Tool 03

    Break-even ROAS

    From gross margin, the minimum ROAS before ads lose money.

Every result is illustrative math on numbers you type in. None of it is measured attribution.

Want this live per client, with payment processors connected?