Ad Spend ROI Calculator

Last updated: February 18, 2026

Use this calculator to evaluate campaign efficiency using ROI and ROAS. Add revenue, ad spend, and non-ad costs to estimate true paid media profitability.

Calculator

How to Use This Tool

  1. Enter campaign revenue and ad spend.
  2. Add other costs tied to campaign sales.
  3. Calculate ROAS and ROI for decision making.

Understanding Ad ROI

ROAS tells you top-line efficiency, while ROI shows bottom-line profitability after costs. Both metrics are useful together.

FAQ

Can high ROAS still lose money?

Yes, if product and operational costs are high, ROI can still be negative.

Should shipping be in other costs?

Yes, include all relevant fulfillment and variable costs.

Can this be used by channel?

Yes, run separate calculations per platform for cleaner attribution.

How often should ROI be reviewed?

Review frequently during active campaigns and major budget changes.