Advertising hub

Ecommerce Advertising Calculators

SellerFormulas advertising tools help ecommerce sellers understand ROAS, ACoS, ad spend limits, contribution margin, and order-level advertising economics.

Available calculator

Break-Even ROAS Calculator

Calculate break-even ROAS, maximum ad spend, break-even ACoS, and contribution margin from order revenue and non-ad variable costs.

Upcoming advertising tools

These are planned for later tasks and are not linked until their pages exist.

ROAS Calculator - Coming soon
Maximum CPA Calculator - Coming soon
Maximum CAC Calculator - Coming soon

Seller economics covered

This section stays platform-neutral for sellers using Meta Ads, Google Ads, TikTok Ads, Amazon Ads, and other paid channels.

Contribution profit before advertising
Maximum ad spend per order
Break-even ROAS and break-even ACoS

Read the calculation methodology