Break-even ROAS Calculator for E-commerce
Understand your paid-traffic limits before scaling spend. This tool defines the CAC and ROAS thresholds you cannot exceed.
Input order economics before ads
Find CAC and ROAS break-even limits for paid traffic.
Results
Evaluate campaign viability using break-even CAC and ROAS guardrails.
Break-even ROAS
2.5
Break-even CAC
$22
Gross profit before ads
$22
Interpretation
Ad spend range looks healthy
Break-even thresholds appear workable for controlled scaling.
Worked example
Worked example
Ad economics baseline:
How to use
Interpret your result correctly
Use these quick rules to keep pricing and inventory decisions grounded.
- Input real selling price and variable costs only.
- Review break-even CAC before launching campaigns.
- Keep your target ROAS above break-even for healthy contribution margin.
Common mistakes
Avoid costly calculation errors
These mistakes usually create hidden margin risk or stock friction.
- Using blended order value instead of SKU-level value.
- Ignoring packaging and transaction fees.
- Scaling campaigns without recalculating after discounts.
FAQ
Frequently asked questions
Short answers for common edge cases and interpretation questions.
Related
Related tools
Use these next to compare scenarios and validate decisions from multiple angles.
Margin Calculator After Shipping Fees
Calculate true margin after shipping, payment fees, and variable selling costs.
Discount Impact on Margin Calculator
Understand how discounts affect margin and how many extra units you need to keep profit.
Break-even Selling Price After Import Costs
Set minimum selling price to cover cost, fees, and your target profit per unit.
Pro
Keep campaign and channel economics consistent across SKUs
- - Save pricing scenarios
- - Compare discount outcomes
- - Track margin shifts
- - Export calculator summaries