Free Customer Lifetime Value Calculator

What Is Customer Lifetime Value (LTV)?

Customer lifetime value — also called CLV or CLTV — is the total revenue a single customer generates over their entire relationship with your business. For subscription companies, it's the most important counterpart to churn rate: while churn tells you how fast customers leave, LTV tells you how much value you extract before they do.

LTV is the metric that connects retention to revenue. It answers the question every subscription business needs to get right: are your customers worth more than it costs to acquire them?

How to Calculate LTV for Subscription Businesses

The simple subscription LTV formula is:

LTV = Average Revenue per User (ARPU) ÷ Monthly Churn Rate

For example, if your ARPU is $50/month and your monthly churn rate is 4%, your LTV is $50 ÷ 0.04 = $1,250. The average customer stays about 25 months and generates $1,250 in total revenue.

For a more accurate picture, apply your gross margin: Margin-Adjusted LTV = ARPU × Gross Margin ÷ Monthly Churn Rate. If your gross margin is 70%, that $1,250 becomes $875 in actual contribution. This is the number to compare against your customer acquisition cost (CAC).

Why LTV Matters More Than Monthly Revenue

Monthly revenue is a snapshot. LTV is the whole movie. Here's why the distinction matters:

A 1% reduction in monthly churn from 5% to 4% increases average customer lifetime from 20 to 25 months — a 25% increase. If your ARPU is $50, that's an extra $250 per customer, multiplied across your entire base.

This is why retention matters more than acquisition for subscription businesses. Acquiring a customer at $200 CAC who churns in 3 months ($150 LTV) is a losing proposition. The same customer retained for 25 months ($1,250 LTV) is enormously profitable. The product and price are identical — only the retention changed.

How to Increase Your Customer Lifetime Value

LTV has two levers: increase revenue per customer or increase how long they stay. The most effective strategies work on both:

1. Reduce voluntary churn with intelligent cancel flows. When a customer clicks 'cancel,' that's not the end — it's an opportunity. Targeted retention offers based on the customer's cancellation reason save 20-40% of at-risk subscribers.

2. Eliminate involuntary churn. Failed payments, expired cards, and billing errors silently erode LTV. Automated payment recovery can save 20–40% of these otherwise-lost customers.

3. Drive plan upgrades. Customers who move to higher-tier plans increase ARPU without additional acquisition cost. Usage-based nudges and feature gating are the most effective upgrade triggers.

4. Offer annual plans. Customers on annual billing have dramatically lower churn than monthly subscribers — typically 2–3× lower. The upfront commitment creates switching costs that extend lifetime naturally.