marketing calculator
Measure campaign ROI, ROAS, CPA, and profit from attributed revenue and spend.
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ROI
185.71%
Save this page to compare campaign scenarios, budget allocations, and channel economics before shifting spend.
Formula
Total Cost = Ad Spend + Other Costs. Net Profit = Revenue - Total Cost. ROI = Net Profit / Total Cost × 100. ROAS = Revenue / Ad Spend.These outputs separate media efficiency from true profitability by including both ad spend and non-media campaign cost.
Step by step
Related guides
Guide
Understand the paid media metrics that actually matter. Learn how CPC, CPM, CTR, CPA, ROAS, and ROI connect, when to use each one, and how to avoid reporting cheap traffic as business success.
Site Guide
Learn how to use calculators on Do The Calculation, enter inputs, read results, explore formulas, and navigate between related tools for comprehensive planning.
Summary
ROI
185.71%
Profit relative to full campaign cost.
ROAS
4.00x
Revenue divided by ad spend only.
Net Profit
$7800.00
Revenue after all campaign cost.
CPA
$70.00
Total cost divided by conversions.
D3 visualization
Compare attributed revenue, total cost, and net profit.
Guide
Marketers often report ROAS because it is fast and platform-friendly, but finance teams care about ROI because ROI measures profit relative to total cost. ROAS can look strong while overall campaign profit remains weak if creative, tooling, or personnel costs are large. The correct interpretation depends on whether you are optimizing media or evaluating business profitability.
The central equations are:
$$\text{Total Cost} = \text{Ad Spend} + \text{Other Costs}$$
$$\text{Net Profit} = \text{Attributed Revenue} - \text{Total Cost}$$
$$\text{ROAS} = \frac{\text{Attributed Revenue}}{\text{Ad Spend}}$$
$$\text{ROI (\%)} = \frac{\text{Net Profit}}{\text{Total Cost}} \times 100$$
$$\text{CPA} = \frac{\text{Total Cost}}{\text{Conversions}}$$
These metrics together show revenue efficiency, profit efficiency, and acquisition economics at the same time.
Marketing ROI depends heavily on attribution. Platform-reported conversion revenue may differ from analytics-reported revenue, CRM revenue, or finance-confirmed revenue because each system applies different windows and rules. This means ROI calculators are only as reliable as the attribution data you feed them.
Use ROAS to optimize media efficiency, CPA to monitor acquisition cost discipline, and ROI to judge whether the campaign actually created profit. Together, these metrics prevent top-line vanity reporting from hiding bottom-line weakness.
ROAS
Revenue returned for each dollar of ad spend, excluding non-media costs.
CPA
The total campaign cost required to generate one conversion.
Attributed revenue
Revenue credited to a campaign under a chosen attribution model.
Marketing ROI measures profit relative to the total cost of a campaign, including ad spend and other costs.
ROAS stands for return on ad spend and measures attributed revenue divided by ad spend only.
CPA is cost per acquisition, equal to total campaign cost divided by the number of conversions.
Because ROAS ignores non-ad costs while ROI includes them.
It is the revenue credited to the campaign based on your chosen attribution model.
Then CPA and revenue-per-conversion cannot be meaningfully computed, so the calculator returns zero instead of dividing by zero.
Yes. Any real campaign cost beyond media spend should be included if you want a full ROI picture.
Because inaccurate attribution can overstate or understate the revenue actually driven by the campaign.
Yes. Revenue can exceed media spend while still failing to cover total campaign cost or gross-margin constraints.
Usually ROI, because it ties campaign performance to actual profit after full cost.