SaaS LTV – Lifetime Value Modeling for SaaS Companies

Stefan Bucur SaaS Instructor

Written by Stefan Bucur

Stefan focuses on managing digital projects, building and leading cross functional teams using both agile and waterfall methodologies.

Passionate on helping organizations embark on the cloud journey, he guides teams and clients in building scalable SaaS solutions, supporting them in all stages of the process.

In 2021, Stefan joined JH Media Group, an agency that has focused on the design and build of SaaS systems since 2002. He currently serves as a project manager.


June 26, 2023


SaaS Customer Lifetime Value (LTV or CLTV) is a metric that represents the total revenue a customer is expected to generate throughout their relationship with a company. It measures the long-term value and profitability of a customer and is crucial for understanding the financial health and growth potential of a SaaS business. LTV helps companies make informed decisions about customer acquisition costs, retention strategies, pricing, and overall business strategy.

Importance of SaaS LTV

LTV provides several important insights for SaaS companies:

  • Revenue Optimization
    LTV helps optimize revenue by guiding decisions on pricing strategies, upselling and cross-selling opportunities, and resource allocation. It enables companies to prioritize high-value customers and focus on activities that generate the most revenue.
  • Customer Acquisition Costs (CAC)
    LTV is used in conjunction with CAC to assess the return on investment for acquiring new customers. By comparing LTV to CAC, companies can determine whether their customer acquisition efforts are cost-effective and sustainable in the long run.
  • Retention and Churn Analysis
    LTV is closely related to customer retention and churn rates. Higher LTV indicates better customer retention, while lower LTV may indicate a higher risk of churn. Understanding LTV helps identify opportunities for improving customer retention and reducing churn.
  • Growth Planning
    LTV plays a critical role in forecasting and planning for growth. By estimating the expected revenue from customers over their lifetime, companies can set realistic growth targets, allocate resources effectively, and make strategic decisions about scaling the business.

How to Calculate LTV for SaaS

LTV Calculator for SaaS

There are different methods to calculate LTV, depending on the available data and business characteristics. Here’s a commonly used formula for calculating LTV for a SaaS company:

LTV = Average Revenue per Account (ARPA) x Average Customer Lifespan (ACL)

To calculate LTV, you need to determine the Average Revenue per Account (ARPA) and the Average Customer Lifespan (ACL). Multiply the ARPA by the ACL to obtain the LTV.

  • Average Revenue per Account (ARPA)
    Calculate the average monthly or annual revenue generated per customer account. This can be obtained by dividing the total revenue from all customers by the total number of customers over a specific period.
  • Average Customer Lifespan (ACL)
    Estimate the average duration that a customer stays with your company. This can be calculated by dividing the sum of customer lifespans (e.g., in months or years) by the total number of customers.

Best practices for modeling LTV for SaaS companies

  • Granularity
    Analyze LTV by different customer segments, pricing tiers, or cohorts to gain a more accurate understanding of the value generated by different customer groups. This allows for more targeted retention efforts and pricing strategies.
  • Update and Refine
    Regularly update and refine your LTV calculations as you gather more data and insights. Consider changes in customer behavior, market dynamics, and product offerings to ensure your LTV models remain relevant and accurate.
  • Data Accuracy
    Ensure the accuracy and quality of the data used in LTV calculations. Use reliable data sources, eliminate outliers, and validate the assumptions and inputs used in the calculation.
  • Cohort Analysis
    Conduct cohort analysis to track LTV over time for different groups of customers. This helps identify trends, changes in customer behavior, and the impact of product updates or marketing campaigns on LTV.
  • Consider Costs
    Take into account the costs associated with serving customers when calculating LTV. This includes costs related to customer support, account management, onboarding, and any other expenses directly tied to customer success and retention.
  • Align with Business Goals
    Customize your LTV model to align with your specific business goals and objectives. Incorporate relevant metrics and factors that reflect your unique business model. For example, a SaaS startup newly entering the market may be more interested in capturing market share rather than maximizing profits from customers. Thus, they may adjust their pricing strategy accordingly, run promotional offers, etc., and all these elements should be considered in their LTV model.


The Customer Lifetime Value (LTV) is a vital SaaS financial metric. It can guide a SaaS company’s strategic decisions and help to optimize revenue, evaluate customer acquisition costs, and plan for growth. Accurate LTV calculations hinge on reliable data and constant refinement, accounting for changing market and customer dynamics. Properly utilized, LTV can help a SaaS business to foster customer relationships, boost profitability, and drive sustainable growth. This illustrates that success isn’t just about customer acquisition, but nurturing their value throughout their journey.