Break-even ROAS Calculator

Calculate the ROAS you need to break even based on your gross margin. Ideal for ads and ecommerce marketing planning.

Use this calculator when you need a fast, reliable answer without opening a spreadsheet. Enter your figures below and press Calculate. PercentNinja shows the key outputs you typically need for pricing decisions, VAT checks, ecommerce payouts or ad reporting.

When to use this

• Monitoring ad efficiency (CTR, CPC, CPM, eCPM) across campaigns
• Setting KPIs and break-even targets before scaling spend
• Comparing performance between channels using consistent metrics

Worked examples