Free Customer Lifetime Value (LTV) Calculator

About the LTV Calculator

Calculate customer lifetime value (LTV) from AOV, purchase frequency, and customer lifespan. Free LTV calculator. Try Creetr to grow LTV with better ads.

Every calculation and generation runs entirely in your browser - free, instant, nothing uploaded. The hard part is what comes next: filming it. Once your ltv is ready, Creetr shoots it with an AI actor and exports a ready-to-post ad in about two minutes - no camera, no creator fees.

LTV calculator (customer lifetime value calculator) tools estimate total revenue a customer generates over their entire relationship with your brand. The core formula is LTV = Average Order Value × Purchase Frequency (per year) × Customer Lifespan (in years). Enter your numbers above to get an instant LTV estimate you can use to cap acquisition spend.

What is LTV?

LTV, or customer lifetime value, is the total revenue (sometimes gross margin, in more precise models) a single customer generates for a business over the entire time they remain a customer. It's the counterweight to CAC — the two numbers together determine whether your acquisition spend is sustainable. A common rule of thumb in DTC and SaaS is targeting an LTV:CAC ratio of at least 3:1, meaning every customer should generate at least three times what it cost to acquire them.

The basic formula: LTV = Average Order Value × Purchase Frequency per Year × Customer Lifespan in Years

A more precise version uses gross margin instead of revenue (LTV × gross margin % = contribution-based LTV), which matters more for businesses with thin margins where revenue alone overstates true customer value. This calculator uses the simpler revenue-based formula, which is the standard starting point most marketing teams use for acquisition budget planning.

How to use this LTV calculator

1. Pull your average order value (AOV) from your ecommerce platform — total revenue divided by total orders over a representative period (avoid holiday months, which skew AOV upward). Use the AOV calculator if you need to compute this from raw revenue and order counts first.
2. Determine purchase frequency — how many times does an average customer buy per year? Pull this from repeat purchase data in your analytics or ecommerce platform's cohort reports.
3. Estimate customer lifespan in years — how long does an average customer keep buying before churning? For subscription businesses this is 1 ÷ monthly churn rate, converted to years. For non-subscription DTC, use historical cohort data (how long between first and last purchase, on average, for customers who've since gone dormant).
4. Enter all three numbers and read your estimated LTV.
5. Compare LTV against your current CAC — if LTV:CAC is below 3:1, you're either overspending on acquisition or underinvesting in retention.
6. Re-run this calculation quarterly as AOV, repeat rate, and retention shift — LTV is not a static number, especially for growing or newly-launched brands with limited retention history.

Why LTV matters

LTV sets the ceiling for how much you can rationally spend to acquire a customer. Without it, CAC targets are arbitrary — teams either underspend on acquisition (leaving profitable growth on the table) or overspend chasing volume that never pays back. LTV also reframes creative and retention decisions: a $10 improvement in AOV or one extra purchase per year per customer often has more compounding impact on the business than a marginal decrease in CAC.

LTV is especially important context when evaluating ROAS on a single-purchase basis — a campaign that looks unprofitable on first-purchase ROAS alone can be highly profitable once you factor in repeat purchase behavior from that same cohort over 12-24 months.

Benchmarks

Typical LTV and LTV:CAC benchmarks for 2025-2026, ecommerce and DTC:

Brands with LTV:CAC below 1:1 are losing money on every customer acquired unless offset by other margin (wholesale, affiliate, etc.) — this is an urgent fix, not a long-term strategy.

LTV modeling pitfalls to avoid

The most common LTV mistake is using too short a lifespan estimate for a young brand, since new brands don't yet have 2-3 years of cohort data to know true retention — extrapolating from 6 months of data can wildly overstate or understate lifespan depending on early cohort behavior. A second pitfall: ignoring cohort differences. Customers acquired through a discount-heavy promotion often have materially lower LTV than customers acquired through organic or referral channels, since price-sensitive buyers churn faster. Blending all cohorts into one LTV number hides this and can lead you to overspend acquiring low-LTV customers at the same CAC target as high-LTV ones. Segmenting LTV by acquisition channel and offer type, even roughly, gives a far more actionable number than one blended average.

Growing LTV starts with the first impression

Higher LTV usually starts with acquiring the right customers — ones who came in through creative and messaging that accurately set expectations, not just the cheapest CPA available. UGC-style ads that clearly show product use and honest expectations tend to attract customers with higher repeat purchase rates than hype-driven creative that overpromises.

Creetr helps brands test UGC-style video ad creative at volume to find angles that attract higher-LTV customers, not just cheap first-purchase conversions. Try Creetr free. For the acquisition side of this equation, use the CAC calculator and read our performance marketing guide for full-funnel strategy.

Frequently asked questions

What is a good LTV:CAC ratio?+

A 3:1 ratio is a good starting point for a healthy LTV:CAC, meaning for every dollar you invest in acquiring a customer, you aim to get at least three dollars back in their lifetime value. This ratio indicates your marketing and sales efforts are profitable. If your ratio is below 1:1, you're spending more to acquire customers than they're worth, which is unsustainable. Conversely, a ratio significantly higher than 5:1, like 7:1 or more, might suggest you could be investing more aggressively in customer acquisition to capture a larger market share and accelerate growth. Continuously monitoring and optimizing this balance is key to efficient scaling on Creetr.

How do I calculate customer lifespan for LTV?+

To calculate customer lifespan for LTV, you can use different methods depending on your business model. For subscription businesses, take your monthly churn rate and divide 1 by that number to determine the average number of months a customer stays subscribed, then convert this to years. If you're in non-subscription ecommerce, you'll need to look at your cohort data; this involves finding the average duration between a customer's initial purchase and their final purchase among those who are no longer active. This lifespan figure is a key component in understanding your Customer Lifetime Value.

Should LTV be based on revenue or gross margin?+

Your Lifetime Value (LTV) calculation should be based on gross margin for the most accurate understanding of customer profitability. While revenue-based LTV is a quick starting point for initial acquisition budget planning, it doesn't account for the actual costs of delivering your product or service. By using gross margin (LTV multiplied by your margin percentage), you get a clearer picture of how much profit each customer truly brings in. This is especially crucial for businesses with lower margins, as revenue alone can significantly overstate the real value of a customer, leading to misinformed decisions about how much you can afford to spend to acquire them.

How often should I recalculate LTV?+

Recalculate your LTV quarterly to maintain accurate insights into customer value. This regular update allows you to capture shifts in Average Order Value (AOV), repeat purchase frequency, and overall customer retention as your business and customer base naturally evolve. For newer brands, especially those with less than a year of operational data, view these initial LTV calculations as helpful guides rather than definitive figures. This approach ensures your marketing and growth strategies are based on the most current understanding of your customer lifetime value, enabling you to make informed decisions about acquisition costs and retention efforts.

Does LTV account for referrals or word-of-mouth value?+

No, the standard LTV calculation on Creetr doesn't directly account for referrals or word-of-mouth value. Our calculator focuses strictly on direct repeat purchase revenue to give you a clear, measurable baseline for your ad spend. While referrals and word-of-mouth are incredibly valuable, quantifying them accurately within a standard LTV model is complex. It often requires sophisticated attribution tracking that most businesses don't have readily available. Instead, you should consider the impact of these organic growth drivers as a separate, qualitative benefit that complements your direct revenue.

Can improving creative actually increase LTV, not just conversion rate?+

Yes, optimizing your creative on Creetr can absolutely boost Customer Lifetime Value (LTV) by fostering loyalty and repeat purchases. When your short-form video ads accurately showcase your product's benefits and functionality, you attract customers who understand what they're buying and are therefore more likely to be satisfied after their initial purchase. This satisfaction directly translates into a higher propensity for them to buy again, increasing their overall value to your business over time. Conversely, ads that exaggerate or misrepresent your offering might lead to a quick sale, but these customers often churn quickly after experiencing disappointment, ultimately reducing LTV. Focus on genuine representation to build a sustainable customer base.