Local utility · Last updated: 2026-06-10
ROAS Calculator Guide
Learn how to calculate ROAS, ROI, CPM, CPC, CPA, and CTR ad campaign metrics 100% locally in your browser.
Tool shortcut includedNo data uploadedInstant calculation
Short Answer: The ROAS and Marketing Calculator performs multi-metric ad campaigns checks (ROI, CTR, CPM, CPA) 100% locally. The calculations help you estimate budget efficiency and check target benchmarks instantly.
When to use this
Use this marketing workflow when preparing weekly ad reports, forecasting conversion budgets, or verifying performance formulas across channels like Meta, Google, or TikTok ads without exposing campaign spend numbers.
Basic workflow
- Input your total ad budget and CPM or cost per click.
- Enter expected CTR (Click-Through Rate) and conversion rates.
- Input average purchase value or customer lifetime value.
- Analyze gross ROAS, net ROI, estimated CPA, and total projected sales.
Quality and safety notes
- Always double-check that your inputs match the correct billing currencies.
- Keep operating costs, shipping fees, and inventory charges in mind to calculate true net ROI.
- ROAS is a valuable proxy for channel efficiency, but should never replace cash flow auditing.
Frequently Asked Questions
What is the difference between ROAS and ROI?ROAS (Return on Ad Spend) measures gross revenue generated per dollar spent directly on advertising. ROI (Return on Investment) accounts for operating costs and other business expenses, determining net profitability.
Are my ad spend and marketing numbers safe?Yes. All marketing math and calculator logic run 100% locally in your browser using JavaScript. No parameters are uploaded or tracked.