CAC payback & burn multiple

CAC = sales+marketing spend ÷ new logos. Payback uses monthly ARPU × gross margin. Burn multiple = net burn ÷ net new ARR (monthly sketch).

S+M spend this month

New logos closed

ARPU (monthly)

Gross margin (0–1)

Net burn (month)

Net new ARR (month)

CAC ≈ 3,333

Payback ≈ 44.9 months (on contribution margin)

Burn multiple ≈ 3.20