Customer Lifetime Value Calculator
Calculate customer lifetime value and LTV:CAC ratio for your business. Free CLV calculator for subscription and transactional business models.
Calculator
Business Model
Subscription Metrics
% of customers who cancel each month
Revenue minus cost of goods/services
Acquisition Cost
Total marketing & sales cost to acquire one customer
Customer Value Analysis
Excellent! Your LTV:CAC ratio indicates a very healthy business model.
Additional Insights
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Understanding Customer Lifetime Value
Customer Lifetime Value (CLV or LTV) is one of the most important metrics for any business. It helps you understand the long-term value of customer relationships and guides decisions about marketing spend, pricing, and customer service investments.
CLV Formulas by Business Model
Example: ($99 × 70%) ÷ 5% = $1,386 LTV
Example: $75 × 4/year × 3 years × 30% = $270 LTV
Key Metrics Explained
The ratio of lifetime value to customer acquisition cost. Measures the return on your customer acquisition investment. Target: 3:1 or higher.
The time it takes to recover your customer acquisition cost. Shorter is better as it reduces risk and frees up capital. SaaS target: under 12 months.
The percentage of customers who cancel each month. A 5% monthly churn means an average customer lifespan of 20 months (1 ÷ 0.05). Lower churn = higher LTV.
Strategies to Improve LTV
- Upselling premium features
- Cross-selling complementary products
- Price optimization
- Annual vs monthly pricing
- Expansion revenue from existing customers
- Improve onboarding experience
- Proactive customer success
- Regular feature releases
- Customer feedback loops
- Loyalty programs and incentives
Strategies to Reduce CAC
Focus on channels with the best unit economics. Track CAC by channel and double down on what works. Consider organic channels like content marketing and referrals.
Higher conversion rates mean lower CAC. A/B test landing pages, improve sales process, and reduce friction in signup flows.
Referral programs typically have 25-50% lower CAC than paid channels. Happy customers are your best salespeople.
Industry Benchmarks
Important: LTV calculations should be based on actual customer data when possible. Use cohort analysis to track how different customer segments perform over time, rather than relying solely on averages.
Frequently Asked Questions
What is Customer Lifetime Value (CLV/LTV)?
Customer Lifetime Value is the total net profit a business can expect from a customer over the entire relationship. It helps businesses understand how much they can spend to acquire customers while remaining profitable.
What is a good LTV:CAC ratio?
A healthy LTV:CAC ratio is typically 3:1 or higher, meaning you earn $3 for every $1 spent acquiring a customer. Ratios below 1:1 mean you're losing money on customer acquisition. SaaS companies often target 3:1 to 5:1.
How do I calculate CLV for a subscription business?
For subscriptions: CLV = (Monthly Revenue × Gross Margin) ÷ Monthly Churn Rate. This formula assumes revenue and churn remain constant. For more accuracy, use cohort analysis to track actual customer behavior.
What's a good CAC payback period?
For SaaS companies, a CAC payback period of 12 months or less is considered healthy. For e-commerce, 3-6 months is typical. Longer payback periods tie up capital and increase risk.
How can I improve my LTV:CAC ratio?
Improve LTV by reducing churn, increasing prices, upselling, and improving retention. Reduce CAC by improving conversion rates, using referrals, focusing on high-value channels, and improving targeting.
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