Business

Customer Lifetime Value Calculator

Calculate CLV from average revenue, profit margin, retention rate, and customer lifespan. Compare segments and forecast value.

Quick Answer

CLV = Average Monthly Revenue × Gross Margin × Average Lifespan. A customer paying $100/mo at 70% margin for 5 years = $4,200 CLV.

Enter Customer Data

Results

$350.00

Simple CLV

$280.00

Retention-Based CLV

$840.00

Annual Customer Value

$70.00

Monthly Margin

About the CLV Calculator

Customer lifetime value (CLV or LTV) estimates the total revenue a business can expect from a single customer over the entire duration of their relationship. It is one of the most important metrics for subscription businesses, SaaS companies, and any business with recurring customers. Understanding CLV helps you make informed decisions about acquisition costs, retention investment, and growth strategy.

Simple vs Retention-Based CLV

The simple CLV formula multiplies average revenue by margin and lifespan. The retention-based model accounts for the probability that customers leave over time, using the formula: CLV = Margin × Retention Rate / (1 - Retention Rate). This gives a more realistic picture for subscription businesses where churn is a constant factor. A 95% monthly retention rate yields a very different CLV than 80% retention, even with identical revenue.

Why CLV Matters

CLV determines how much you can afford to spend acquiring a customer. If your CLV is $4,200 and your customer acquisition cost (CAC) is $500, you have a healthy 8.4x LTV:CAC ratio. Most investors and operators target a minimum 3:1 ratio. CLV also reveals which customer segments are most valuable, helping you focus marketing and product development on your best customers.

Improving Customer Lifetime Value

There are three levers to increase CLV: raise average revenue through upselling and cross-selling, improve margins through operational efficiency, or increase retention by reducing churn. Of these, retention often has the largest impact. A 5% improvement in retention can increase CLV by 25-95% depending on your business model. Focus on onboarding, customer success, and product value to keep customers longer.

Frequently Asked Questions

What is a good customer lifetime value?
It depends on your industry and CAC. The key metric is the LTV:CAC ratio. A ratio of 3:1 or higher is generally considered healthy. SaaS companies often target 5:1 or higher.
How do I calculate CLV for a subscription business?
Use the retention-based formula: CLV = Monthly Revenue x Margin x (Retention Rate / (1 - Retention Rate)). This accounts for the probability of churn each month and gives a more accurate long-term estimate.
What is the difference between CLV and LTV?
CLV and LTV are the same metric with different abbreviations. CLV stands for customer lifetime value, LTV for lifetime value. Both refer to the total expected revenue from a customer over the business relationship.
Should I use monthly or annual figures?
Either works as long as you are consistent. If you use monthly revenue, use monthly retention rate and express lifespan in months. If you use annual revenue, use annual retention and lifespan in years.
How does churn affect CLV?
Churn has an outsized impact on CLV. Reducing monthly churn from 5% to 3% increases the retention-based CLV by roughly 67%. Small improvements in retention compound dramatically over time.

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