Customer Acquisition Cost (CAC) Calculator — Free Online Calculator
Calculate customer acquisition cost and LTV:CAC ratio. Evaluate the efficiency of your marketing spend and payback period.
✓ Formula verified: May 2026
CAC Calculator
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Customer Acquisition Cost (CAC)
$166.67
LTV:CAC Ratio
▲ 3.00x
Payback Period (months)
▲ 3.3 months
Total Marketing Spend
$25,000.00
What if your total sales & marketing spend changes? $22500 → $150.00 · $25000 → $166.67 · $27500 → $183.33
Scenario Comparison
Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
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Customer Acquisition Cost
CAC
$166.67
LTV:CAC Ratio3.00x
Payback Period3.3 months
Marketing Spend$25,000.00
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