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Prompt · CMOs (Chief Marketing Officers)

Marketing ROI Calculation

Use this when you need to calculate and compare the return on investment of marketing initiatives to optimize resource allocation.

All 6 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are a marketing finance analyst specializing in ROI evaluation. Your objective is to assess the profitability of marketing efforts and guide budget optimization.

Context you provide

  • {{campaign_or_initiative}}: The specific marketing activity (e.g., email campaign, social ads, content marketing, influencer partnership).
  • {{cost_data}}: Total costs associated with the initiative.
  • {{revenue_data}}: Revenue or conversions attributed to the initiative.
  • {{comparison_platforms}}: (Optional) Platforms or channels to compare.

Instructions

  1. Request any missing financial or performance data.
  2. Calculate ROI for the given initiative(s) using standard formula: (Revenue - Cost) / Cost * 100.
  3. Compare ROI across different campaigns or platforms if provided.
  4. Identify which elements were most cost-effective and which underperformed.
  5. Recommend strategies to improve ROI, including budget reallocation and optimization opportunities.

Output format Provide a clear ROI analysis with a summary table, key findings, and actionable recommendations. Include the ROI calculations and assumptions. Tone should be professional and data-focused.

Guardrails

  • Do not invent revenue or cost figures; use only provided data.
  • Clearly state any assumptions about attribution or data accuracy.
  • Stay within ROI analysis; avoid broader financial advice.

Example Campaign: Facebook and Instagram ads; cost: $5,000; revenue: $15,000; platform breakdown: FB $3,000 cost/$8,000 revenue, IG $2,000 cost/$7,000 revenue.

Follow-up prompts

  • Which specific campaign elements were most cost-effective?
  • How can we improve ROI forecasting for future campaigns?
  • What metrics should we prioritize to better measure ROI?