How to Use the Unit Economics Calculator
Step 0: Check Your Unit Economics Health Before thinking about ad spend, look at the Unit Economics Health block. Your LTV:CAC ratio tells you the fundamental health of your business model — aim for 3:1 minimum, 5:1 is excellent.
If your ratio is below 1:1, fix your pricing or retention before launching any ads — or use our Lost Website Profit Calculator to find where you’re losing revenue first.
Step 1: Enter Your Business Metrics
Enter your margins, conversion rates, and deal size — instantly get your LTV, CAC, LTV:CAC ratio, payback period, and maximum safe ad spend.
- Average Order Value — the total amount a customer pays on average
- Gross Margin % — revenue left after COGS (Cost of Goods Sold), calculated before operating costs. If you sell something for $1,000 and it costs you $600 to make, your gross margin is 40%.
- Lifetime Value Multiplier — how many times does the average customer buy from you? Use 1 if it’s a one-time purchase, 2 if they buy twice on average, etc.
- Operating Cost per Customer — all costs to fulfill and support one customer: fulfillment, shipping, support, payment processing fees, refunds, etc.
Step 2: Input Your Conversion Rates
These determine how much you can afford to pay per lead. Even small differences here significantly impact your maximum ad spend.
- Website Conversion Rate — what percentage of visitors submit a contact form, add to cart, or take the desired action? If 100 visitors come and 2 fill out the form, that’s 2%.
- Sales Conversion Rate — what percentage of leads become paying customers? If you get 100 leads and 20 become customers, that’s 20%.
Step 3: Compare with Market CPL
Enter what competitors are currently paying per lead in your market. You can find this in Google Ads benchmarks, industry reports, or by asking peers.
- Current Market CPL — research what the typical cost per lead is in your niche on the platforms you plan to use.
How to Interpret Results
Ready to Launch!
Your maximum CPL is higher than what you need to pay in the market. This means ads can be profitable.
Action: Start with a small test budget ($500–$1,000), track actual performance closely, and scale gradually when the numbers confirm profitability. Don’t dump all your budget at once.
Not Ready Yet
Your maximum CPL is too low to acquire customers profitably at market rates. Launching ads now will lose money. Fix the landing page before spending on traffic; here is how much a landing page costs.
What to fix first:
- Improve website conversion rate — test new landing pages, better value propositions, clearer CTAs
- Increase average order value — add upsells, better positioning, premium tiers
- Optimize sales conversion — train your sales team, improve follow-up process, address objections
- Reduce operating costs — automate fulfillment, outsource support, negotiate better rates with vendors
Key Takeaway
This calculator gives you a starting point for paid advertising decisions. Real-world results vary based on traffic quality, funnel optimization, and market conditions. If your unit economics work, validate with a small test before scaling. If they don’t, fix your funnel first before spending on ads.
If your unit economics work, validate with a small test before scaling — our PPC Management service can help you run that first test efficiently.