Free calculator · SaaS

CAC payback period

How many months until a new customer pays back what you spent to win them.

Sales & marketing cost (month)

₹

Include salaries, tools and agency fees

New paying customers

New MRR from them

₹

Gross margin%

CAC payback

12.5 months

Payback = CAC ÷ (MRR per customer × Gross margin)

What this tells you

Under 12 months is healthy for SMB SaaS, 12–18 for mid-market. Longer means growth burns cash faster than it builds value.

Formula

Payback = CAC ÷ (MRR per customer × Gross margin)

For guidance only. Your results will depend on your own data.

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