Separate observed action from causation
Registrations, check-ins, offer claims and sales may be observable. Calling sales incremental requires a credible baseline or comparison. If that is uncertain, run a conservative and an optimistic scenario.
01 // Event planning tool
Event ROI calculator
Test a financial scenario before or after an event. Estimate return from additional sales at your gross margin and any separate net sponsorship contribution.
Scenario result
Enter all four numbers to calculate. Event cost must be at least 0.01; gross margin must be between 0% and 100%. Each amount must be at most one trillion.
Measure the real contribution of your next event
Paza captures pre-event intent, on-site actions and sponsor outcomes so the ROI is measured, not estimated.
02 // Method
How the calculation works
Sales contribution = incremental sales revenue × gross margin percentage.
Incremental contribution = sales contribution + other incremental net contribution.
ROI = (incremental contribution − total event cost) ÷ total event cost × 100.
Break-even sales = max(0, event cost − other net contribution) ÷ gross margin rate. At 0% margin, sales cannot close a remaining gap.
For example, 10,000 in event cost, 20,000 in additional sales at 40% margin, and 3,000 in separate net sponsorship contribution yield 11,000 in contribution and a 10% return on event cost. Use the same currency for every amount.
03 // Interpretation
What the result can and cannot tell you
Keep cost and benefit consistent
Do not count the same sponsorship value twice. Include its direct fulfillment cost before entering net contribution. Enter sales at revenue and apply a margin that excludes direct delivery costs.