Customer Lifetime Value Calculator

Calculate CLV from purchase value, frequency, lifespan, and margin. See LTV:CAC ratio.
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Lifetime Value (Revenue)

$600.00

LTV (Profit)

$180.00

LTV Breakdown

Annual Customer Value$200.00
Lifetime Value (Revenue)$600.00
Lifetime Value (Profit)$180.00
+1% Retention Impact+1.0% more LTV

Use the Customer Lifetime Value Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our Customer Lifetime Value (CLV) Calculator helps you project the total revenue a customer will generate for your business over their relationship. Understanding your CLV is crucial for strategic decision-making, especially as customer acquisition costs are projected to increase by 8-10% in 2026 across many industries. By optimizing for CLV, businesses can improve profitability and allocate marketing budgets more effectively in an increasingly competitive landscape.

The core methodology for this calculator uses a simplified predictive CLV formula: CLV = (Average Purchase Value x Average Purchase Frequency) x Customer Lifespan x Gross Margin. We also incorporate the LTV:CAC ratio, calculated as CLV divided by your Customer Acquisition Cost. This ratio provides a vital metric for assessing marketing efficiency and overall business health.

When using this calculator, ensure your input data is based on realistic averages from your business, not outliers. A common mistake is overestimating customer lifespan or gross margin, which can lead to an inflated and unrealistic CLV figure. Remember that this is a predictive model, and actual results may vary based on market changes and customer behavior.

Example: E-commerce Subscription Box Service

  1. 1 Let's say a subscription box company has an average subscription value of $50, customers purchase monthly (12 times a year), the average customer stays for 3 years, and the gross margin on each box is 40%. Their Customer Acquisition Cost (CAC) is $75.
  2. 2 First, calculate the average annual value: $50 (purchase value) x 12 (frequency) = $600. Then, the total revenue over lifespan: $600 (annual value) x 3 (lifespan) = $1,800. Next, apply the gross margin: $1,800 x 0.40 (gross margin) = $720 CLV. Finally, the LTV:CAC ratio is $720 / $75 = 9.6:1.
  3. 3 The calculated Customer Lifetime Value (CLV) for this business is $720. The LTV:CAC ratio is 9.6:1.
  4. 4 A CLV of $720 indicates that, on average, each customer is worth $720 in profit to the business over their lifetime. An LTV:CAC ratio of 9.6:1 is excellent, suggesting that for every dollar spent on acquiring a customer, the company earns $9.60 in lifetime value, indicating highly efficient marketing and a sustainable business model.

Source: SBA — Business Guide · Last updated: April 2026

Frequently Asked Questions

How do I calculate customer lifetime value?
Simple CLV = Average purchase value x Purchase frequency x Average customer lifespan. If a customer spends $50 per order, orders 4 times per year, and stays for 5 years, CLV = $50 x 4 x 5 = $1,000. For more accuracy, apply your gross margin and discount future revenue.
What LTV to CAC ratio indicates a healthy business?
A healthy LTV:CAC ratio is 3:1 or higher, meaning each customer generates at least 3x what it costs to acquire them. Below 1:1, you are losing money on each customer. Between 1:1 and 3:1, your business model may not be sustainable long-term. Above 5:1 may mean you are under-investing in growth.
How do I increase customer lifetime value?
Improve retention (reduce churn), increase purchase frequency (email marketing, loyalty programs), increase average order value (upsells, bundles, premium tiers), and extend customer lifespan (engagement, community, excellent support). Even a 5% improvement in retention can increase CLV by 25-95%.

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