Ecommerce KPI Tool
ROAS Calculator
Track return on ad spend and ad cost share from actual revenue.
Formula: ROAS = Attributable Revenue / Ad Spend | Ad Cost % = Ad Spend / Revenue × 100
Plan Mode
Free mode is active while advanced subscription features are paused.
Decision snapshot
ROAS Calculator
Track return on ad spend and ad cost share from actual revenue.
Formula
ROAS = Attributable Revenue / Ad Spend | Ad Cost % = Ad Spend / Revenue × 100
ROAS
5.00x
Ad cost as % of revenue
20.00%
Activity profile
A simple visual cue for the current decision path.
Ad spend method
Use ROAS with margin, not just revenue
ROAS is useful only when it is tied back to profit. A campaign can show strong revenue return and still lose money if margins, refunds, fulfilment, and platform fees are ignored.
Reference points
Methodology
- Calculate revenue from the campaign first, then compare it against the ad cost.
- Check break-even ROAS using gross margin before scaling spend.
- Review performance by offer, audience, and creative instead of averaging all campaigns together.
Practical examples
- $2,000 revenue from $500 ad spend equals 4.0x ROAS.
- At 40 percent gross margin, a 2.5x ROAS is roughly break-even before overhead.
- A campaign with lower ROAS can still be valuable if it brings repeat customers with strong lifetime value.
Common mistakes to avoid
- Do not scale a campaign based on revenue ROAS before checking margin.
- Do not compare campaigns with different attribution windows as if they are identical.
- Do not ignore refunds, payment fees, and shipping subsidies.
Inputs
Enter your current operating numbers to get a quick decision-ready snapshot.
Scenario workspace
Save scenarios and compare outcomes. Local autosave stays on by default for quick planning.
Loading saved workspace...
No saved scenarios yet. Save your current assumptions to compare results over time.
| Scenario | Plan | ROAS | Ad cost as % of revenue |
|---|---|---|---|
| Current session | Free | 5.00x | 20.00% |
When to use this tool
- When ad platform performance looks strong but profit still feels weak.
- Before budget increases to validate whether revenue growth is efficient.
- During weekly reporting to separate vanity metrics from unit economics.
FAQ
Is a higher ROAS always better?
Usually yes, but context matters. High ROAS with low volume can still slow growth, while lower ROAS can work if LTV is strong.
What is a good ROAS benchmark?
There is no universal target. Your margin structure and payback window determine what ROAS is actually sustainable.
Should I optimize for ROAS or profit?
Use ROAS as a directional metric, but make scaling decisions with margin and cash flow impact included.