Free tool
CAC & payback calculator — know your real numbers.
Plug in your spend, customers, AOV, and margins. We compute blended CAC, payback period, and LTV:CAC in your browser — no signup required.
Inputs
Your numbers.
Using 2.4
All calculation happens in your browser. We don't store or transmit any of these numbers.
Results
What it looks like.
- Blended CAC
- ₹4,167
- Payback period
- 5.1 months
- 2-year LTV (est.)
- ₹19,440
- LTV : CAC
- 4.7 : 1
Marketing cost per new customer
Time to recover CAC from gross margin
Gross-margin contribution over 24 months
Healthy target: 3:1 or better
Below 3:1 LTV:CAC? Your payback window is probably the bottleneck — usually fixable by creative iteration, onboarding, or a better first-purchase offer. That's exactly the kind of audit we do in a free marketing plan.
Unhealthy CAC? Let's fix it.
CAC problems are usually creative or funnel problems in disguise. Get a free plan that pinpoints your bottleneck, or book a discovery call.