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Calcimator

Customer Acquisition Cost (CAC) Calculator

Calculate customer acquisition cost, lifetime value (LTV), and the critical LTV:CAC ratio. Essential for SaaS and subscription businesses.

Inputs

$
$
$
%

Results

CAC

$400

Customer Lifetime Value$10,000
LTV:CAC Ratio25x
Payback Period9.6 months
Monthly Revenue/Customer$41.67

CAC

$400

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Marketing Spend — enter a dollar amount. Accepts values from $0 to $10,000,000 (default: $50,000).
  3. Sales Spend — enter a dollar amount. Accepts values from $0 to $10,000,000 (default: $30,000).
  4. Customers Acquired — enter a numeric value. Accepts values from 1 to 100,000 (default: 200).
  5. Avg Annual Revenue/Customer — enter a dollar amount. Accepts values from $0 to $1,000,000 (default: $500).
  6. Monthly Churn Rate — enter a percentage value. Accepts values from 0 % to 50 % (default: 5 %).
  7. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  8. CAC — shown as a dollar amount. This is the primary result of this calculator.
  9. Customer Lifetime Value — shown as a dollar amount.
  10. LTV:CAC Ratio — Target: 3x or higher.
  11. Payback Period — shown as a numeric value.
  12. Monthly Revenue/Customer — shown as a dollar amount.
  13. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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