Marketing · Free Interactive Tool
Max CAC & Ad Spend Planner
How much you can afford to spend to grow.
Your Numbers
The Result
The Operator's Read
You can spend up to $400 per customer — about $80,000/month for your target — and still hit your ratio. Most teams underspend here and cap their own growth.
Built by The Crimson Bench · Educational tool, not financial advice
About the Max CAC & Ad Spend Planner
Enter LTV, a target LTV:CAC ratio, and planned customers to see your max allowable CAC and total spend.
How the Max CAC & Ad Spend Planner Works
3 inputs in, 2 results out — computed live on your device. Here's exactly what it uses.
| Input | Example value |
|---|---|
| Customer LTV | $1,200 |
| Target LTV:CAC | 3 |
| Customers to acquire | 200 |
Worked Example
Using the example inputs above, the tool returns:
Max allowable CAC
$400.00
Max monthly spend
$80,000
The Operator's Read
You can spend up to $400 per customer — about $80,000/month for your target — and still hit your ratio. Most teams underspend here and cap their own growth.
Assumptions & Limitations
- •This is a single-point calculator — it answers one question at a time. For a full time-based projection, use the matching Toolkit Pro simulator.
- •Defaults are illustrative. Replace them with your real numbers before relying on the result.
- •Educational tool only — not financial, investment, tax, or legal advice.
Frequently Asked Questions
What does the Max CAC & Ad Spend Planner calculate?
Enter LTV, a target LTV:CAC ratio, and planned customers to see your max allowable CAC and total spend. It takes 3 inputs — Customer LTV, Target LTV:CAC, Customers to acquire — and returns Max allowable CAC, Max monthly spend.
How do I use the Max CAC & Ad Spend Planner?
Enter your figures in the fields above and the result updates instantly. No signup, no limits, and nothing leaves your browser — the math runs on your device.
Is the Max CAC & Ad Spend Planner free?
Yes, completely free. For the full time-based simulation — projection tables, scenarios, Excel/PDF export, and AI analysis — see the matching Toolkit Pro simulator.
Who built this tool?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. It uses the exact method they'd apply in an engagement.
Is this financial advice?
No. The Max CAC & Ad Spend Planner is an educational tool for directional planning — not financial, investment, tax, or legal advice.
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The Crimson Bench · Est. 2002 · Founded in New York City
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