Know Your Two Numbers
Enter 5 inputs. Get your LTV, CAC, ratio, payback period, and Growth Map position in seconds.
Free. No signup required. Built by Lech Kaniuk, author of The Two Numbers That Build or Break Every Business.
Your Inputs
How much does one customer pay you per month on average? For annual contracts, divide by 12.
Revenue minus cost of delivering your product/service, as a percentage. Software is typically 70-85%. E-commerce 30-60%.
What percentage of customers do you lose each month? If you don't know, 5% is a common starting point.
Total monthly spend on everything that brings in customers: ads, sales salaries, agencies, tools, content, events. Include it all.
How many new paying customers do you acquire in a typical month?
Your Numbers
Enter your numbers to see results
Your Position on the Growth Map
Enter your numbers above to see your position on the Growth Map.
Add Context to Your Numbers
Optional notes to include in your export. Great for board decks and investor updates.
Download a professional .pptx slide with your numbers, Growth Map position, and annotations — ready for your pitch deck or board presentation.
Get the Full System
This calculator gives you the snapshot. The book gives you the operating system — how to shift quadrants, align your team, and make LTV and CAC the foundation of every decision.
Plus get the downloadable slide template (PPTX + Google Slides) immediately.