How to calculate ROI for event marketing?

ROI insights

Understanding the return on investment (ROI) for your event marketing is crucial. Too often, events are judged on attendance numbers alone, which doesn’t tell the whole story. We help Australian SMEs move beyond ‘vanity metrics’ and focus on genuine business impact. Calculating event ROI isn’t about precise figures; it’s about demonstrating value and refining your strategy for future success.

The core principle is simple: (Gain from Investment – Cost of Investment) / Cost of Investment. However, applying this to events requires careful consideration of what constitutes ‘gain’. It’s rarely just immediate sales. Here’s how we approach it:

  • Define Your Event Goals: Before you even book a venue, know *why* you’re running the event. Is it lead generation, brand awareness, customer loyalty, product launches, or something else? Each goal requires different measurement.
  • Track All Costs: Don’t just include the obvious expenses like venue hire and catering. Factor in staff time (planning, execution, follow-up), marketing materials, speaker fees, travel, and any technology costs. A comprehensive cost analysis is essential.
  • Attribute Revenue (Direct & Indirect): This is the trickiest part. Direct revenue is easy – sales made *at* the event or directly attributable to event attendance (e.g., using a unique event code). Indirect revenue is harder. Consider the lifetime value of leads generated, increased website traffic post-event, and any uplift in sales to existing customers who attended.
  • Lead Scoring & Qualification: Not all leads are equal. Implement a lead scoring system to prioritise follow-up efforts. Qualified leads generated at the event have a higher probability of conversion, impacting your ROI calculation.

We recommend using a Customer Relationship Management (CRM) system to track leads and attribute revenue accurately. Integrating your event registration platform with your CRM streamlines this process. Don’t underestimate the power of post-event surveys to gather feedback and understand attendee intent. This qualitative data complements your quantitative ROI analysis.

Ultimately, calculating event ROI is an ongoing process. Analyse your results, identify what worked well, and refine your approach for your next event. By focusing on clear goals, comprehensive cost tracking, and accurate revenue attribution, you can demonstrate the true value of event marketing to your business and confidently plan for continued growth in 2026 and beyond.

To get started, we suggest outlining all anticipated costs for your next event and defining three key performance indicators (KPIs) aligned with your primary event goal. This simple exercise will provide a solid foundation for measuring your ROI.

The bottom line

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