Work out your maximum cost per lead from your installation profit, conversion rate and target profit. All figures in AUD.
Plug in your numbers. The calculator works backwards from what one completed installation is worth to you, so you never overpay for lead acquisition again.
Leads purchased through to completed installations.
Profit available per sale × your conversion rate.
Green is above target, red is below.
Estimates assume your conversion rate and costs remain consistent.
| Metric | Example |
|---|---|
| Revenue per installation | $12,000 |
| Direct installation costs | $8,500 |
| Other variable costs | $200 |
| Target profit per installation | $2,000 |
| Profit available for lead acquisition | $1,300 |
| Lead-to-install conversion rate | 10% |
| Maximum cost per lead | $130 |
At $100 per lead and a 10% conversion rate, you need 10 leads on average for one installation. That costs $1,000 in lead acquisition and leaves $300 above your target profit.
Calculate your conversion using all purchased leads, including those you could not contact. Include cancellations and jobs that never reach installation.
Your preferred cost per lead to achieve your target profit per sale.
The maximum price at which acquisition costs consume all the profit available for lead buying. Not a recommended target.
The highest price that still preserves your minimum required profit, with a buffer for cancellations and changing conversion.
This is a planning tool, not a guarantee. The right price for your business depends on your average job value, your actual lead-to-install conversion rate, and how much of each job you are prepared to allocate to customer acquisition. Run the numbers with your own last 60–90 days of data before committing to any provider.
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