Micro Project 1
Promo ROI Calculator
Estimate the impact of a marketing promotion by modeling uplift, churn effects, and direct bonus cost. Built for fast decision-making and easy iteration.
Visual Summary
Promotion performance at a glance
Use this banner as a quick readout before digging into detailed assumptions. Numbers update instantly from your current inputs.
Net Impact
$-7,800
ROI
-52.0%
Payback
2.08 mo
Scenario Presets
Start with a preset, then fine-tune the assumptions.
Conservative
Lower uplift, higher cost, mild churn drag.
Expected
Balanced assumptions for typical performance.
Aggressive
Higher uplift with efficient bonus spend.
Inputs
Adjust the assumptions to reflect your promo scenario.
ROI Snapshot
High-level impact based on your inputs.
Net Impact?Uplift revenue + churn impact - bonus cost.
$-7,800
ROI?Net impact divided by bonus cost.
-52.0%
Payback (months)?Months of uplift needed to cover the bonus cost.
2.08
Breakdown
- Baseline revenue
- $120,000
- Uplift revenue
- $9,600
- Churn impact
- $-2,400
- Bonus cost
- $15,000
ROI Sensitivity (Uplift ± 6%)
How ROI changes when uplift assumptions shift.
Planning Targets
Estimate the uplift required to break even or to hit a target ROI.
Break-even uplift
14.50%
Uplift for 25% ROI
17.63%
Assumptions
- Baseline revenue represents a stable monthly run-rate.
- Uplift is attributable to the promo alone.
- Churn impact can be negative or positive.
- Bonus cost is fully accounted for in the month.