LTV / CAC Calculator
LTV / CAC Calculator
Calculate how much a single customer is worth over their lifetime (LTV) and what it costs to acquire them (CAC). A LTV:CAC ratio above 3:1 is the benchmark for sustainable growth.
한 번의 구매 평균 금액
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계산 결과
LTV:CAC 건강도
공격적 확장 가능
LTV를 높이는 핵심 레버
① 구매 빈도 증가 — 리마케팅, 정기 구독, 리텐션 이메일로 재구매율을 높임
② 유지 기간 연장 — 온보딩 강화, 커뮤니티, 로열티 프로그램으로 이탈률을 낮춤
③ 객단가 상승 — 업셀, 번들, 프리미엄 플랜으로 평균 거래 가치를 높임
What is LTV?
LTV (Lifetime Value) is the total revenue a customer generates throughout their relationship with your business. It accounts for repeat purchases and retention duration — not just a single transaction.
LTV:CAC Ratio
The ratio investors and growth teams look at first. A ratio above 3:1 signals healthy growth. Below 1:1 means you're losing money on every customer you acquire.
| Ratio | Meaning | Signal |
|---|---|---|
| < 1:1 | Losing money on each customer | Danger |
| 1:1 – 3:1 | Thin margins | Needs work |
| 3:1+ | Sustainable growth | Healthy |
| 5:1+ | Room to accelerate | Scale aggressively |
CAC Payback Period
How long it takes to recoup your customer acquisition cost. Under 12 months is ideal — longer timelines put pressure on cash flow. SaaS typically targets 6–18 months; e-commerce aims for 3–6 months.
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