Lesson 7 of 7·10 min read

ROI Calculation for AI Projects

Without a clear ROI calculation, AI projects fail at budget meetings. This practical template helps you create the business case for any AI initiative.

The ROI Framework in 5 Steps

Step 1: Capture Costs

Cost BlockOne-timeRecurring (p.a.)
Software/licenses€20,000–100,000€12,000–60,000
Integration & setup€30,000–150,000
Training€5,000–20,000€2,000–5,000
Data preparation€10,000–50,000€5,000–15,000
Personnel (internal)€40,000–80,000

Step 2: Quantify Savings

Direct savings:

  • Time saved × hourly rate × number of employees
  • Reduced error costs (complaints, rework)
  • Saved external services

Indirect savings:

  • Faster time-to-market
  • Higher customer satisfaction → lower churn rate
  • Better decision quality

Step 3: Calculate ROI

ROI = (Annual Benefit - Annual Cost) / Total Investment × 100

Example:
Annual benefit:       €180,000
Annual cost:           €60,000
Total investment:     €120,000

ROI = (180,000 - 60,000) / 120,000 × 100 = 100%

Step 4: Payback Period

Payback = Total Investment / (Monthly Benefit - Monthly Cost)

Example: 120,000 / (15,000 - 5,000) = 12 months

Step 5: Risk Assessment

Multiply expected benefit by a probability of success:

  • Conservative (60%): For initial business cases
  • Realistic (80%): After successful pilot
  • Optimistic (100%): Only for proven use cases

Practical Tips

  1. Always calculate conservatively — positive surprises beat disappointments
  2. Show indirect benefits separately — they convince but are harder to measure
  3. Document the comparison baseline — without a baseline, no ROI proof

Template download: Use this framework as an Excel template for your next AI business case.

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Quiz

Question 1 of 3

Wie berechnet man den ROI eines AI-Projekts?