LTV to CAC Ratio Calculator

The LTV:CAC ratio is one of the most direct indicators of business health. It tells you how much value a customer generates over their lifetime compared to what it cost you to acquire them. Use the calculator above to get your ratio in seconds and check the verdict against standard benchmarks.

How the LTV:CAC ratio is calculated

The formula is straightforward: ratio = LTV / CAC. Enter your customer lifetime value (the total margin a customer generates across their entire relationship with you) and your customer acquisition cost (total marketing and sales spend divided by new customers acquired in the same period).

Example: LTV = 720€, CAC = 180€. Ratio = 720 / 180 = 4. For every euro spent acquiring a customer, you recover 4 euros of lifetime value. That falls in the healthy-to-strong range.

Reading the verdict:

Below 1: You are spending more to acquire customers than they will ever return. Unsustainable.
1 to 3: Margins are thin. Growth is possible but leaves little room for error.
Around 3: The classic benchmark for a healthy business. Acquisition cost is covered with a solid return.
Above 3 to 5: Strong performance. You may have room to invest more aggressively in acquisition.
Above 5: Likely under-investing in acquisition. Growth could be faster.

How to improve your LTV:CAC ratio

Increase LTV through retention: A customer who buys 4 times instead of 2 doubles your LTV without touching acquisition costs. Email sequences, loyalty programmes and proactive support are the main levers.
Raise average order value: Upsells, bundles and complementary products lift revenue per transaction directly. A 20% increase in average basket has the same effect on LTV as a 20% improvement in retention.
Cut CAC with organic channels: SEO and content marketing reduce paid dependency over time. A well-ranked article generates clicks for months without incremental spend. The same logic applies to being cited in AI answers (GEO).
Improve lead quality: A higher close rate or lower churn means each acquisition euro goes further. Refining audience targeting and improving onboarding both contribute.
Segment by channel: LTV and CAC vary widely by acquisition channel. Organic search customers often have higher LTV than paid customers because their intent is clearer at the point of discovery.
Track the ratio over time: A declining ratio is an early warning sign. Catching it at 2.8 is far easier to fix than at 0.9.

Benchmark to keep in mind

A ratio of approximately 3 is the widely cited target for subscription and e-commerce businesses (benchmarks.md, based on First Page Sage and GrowthSRC aggregates). That said, the right ratio depends on your growth stage, payback period and sector. A ratio of 3 with a 24-month payback period is very different from a ratio of 3 with a 3-month payback period. Treat this as a directional indicator, not a rigid target.

If you want to track the SEO and AI levers that move your LTV:CAC ratio over time, Sorank monitors your organic and AI visibility in one place.

Frequently asked questions

What is a good LTV:CAC ratio?

A ratio of around 3 is the standard benchmark for healthy unit economics. Below 1 means you are losing money on acquisition. Above 5 often signals under-investment in growth.

How do I calculate customer lifetime value for this calculator?

LTV = average order value x annual purchase frequency x gross margin x customer lifespan in years. You can use the dedicated Customer Lifetime Value Calculator on this site for a more detailed breakdown.

Can SEO improve my LTV:CAC ratio?

Yes, in two ways. SEO reduces CAC by generating organic traffic without ongoing paid spend. It also tends to attract higher-intent visitors who convert better and churn less, which improves LTV.