How to Calculate Churn Rate: A Step-by-Step Guide
By Emil Kristensen CMO
@ Sleeknote

If you’re running a business and want to improve your customer retention, you’ll need to understand your churn rate. Churn rate refers to the percentage of your customers that stop doing business with you over a certain period of time. A high churn rate can indicate that your customers are dissatisfied with your product or service, or that you’re struggling to attract new customers. In this article, we’ll explain how to calculate churn rate and provide you with a comprehensive guide to understanding this important business metric.

Understanding the Definition of Churn Rate

Before we dive into the specifics of calculating churn rate, it’s important to understand what this metric actually measures. Essentially, churn rate measures how many customers you lose over a certain period of time (usually a month). This could include customers who cancelled their subscription, stopped purchasing your products, or simply stopped engaging with your brand. By monitoring your churn rate, you can get a sense of how well you’re doing at retaining customers and how quickly you need to replace lost customers with new ones.

It’s important to note that churn rate can vary depending on the industry and type of business. For example, a software-as-a-service (SaaS) company may have a higher churn rate than a grocery store due to the nature of their business model. Additionally, it’s important to consider the reasons behind why customers are churning. Are there issues with the product or service? Is the pricing too high? By identifying the root causes of churn, businesses can take steps to address these issues and improve customer retention.

Why is Churn Rate Important for Your Business?

A high churn rate can be a warning sign for your business, indicating that you need to make changes to your product, service, or customer experience to retain more customers. By keeping a close eye on your churn rate, you can assess the health of your business and prioritize efforts to improve customer retention. As we’ll discuss later in this article, reducing your churn rate can have a significant impact on your profitability and long-term success.

Additionally, a high churn rate can also lead to negative word-of-mouth marketing, which can further harm your business’s reputation and make it harder to attract new customers. On the other hand, a low churn rate can indicate that your business is providing a valuable and satisfying experience for your customers, which can lead to positive reviews and referrals. Therefore, monitoring and managing your churn rate is crucial for the growth and success of your business.

Identifying the Metrics for Calculating Churn Rate

The formula for calculating churn rate is relatively simple, but you need to gather a few key pieces of data first. The two main metrics you’ll need to know are the number of customers you lost over the time period you’re measuring (L) and the number of customers you had at the beginning of that period (S). We can then use the formula (L/S) to calculate our churn rate as a percentage.

Gathering Data for Calculating Churn Rate

When calculating churn rate, you’ll need to decide what time period to measure. Depending on your business model, you might choose to measure churn rate monthly, quarterly, or annually. Once you’ve determined your time period, you’ll need to gather data on how many customers you had at the beginning of the period and how many you lost during that period. You can also calculate your customer retention rate, which is simply the inverse of the churn rate (1- churn rate).

Step-by-Step Guide to Calculate Churn Rate

Now that we’ve covered the basics, let’s walk through an example of how to calculate churn rate step-by-step:

  1. Determine the time period you want to measure (e.g. one month).
  2. Calculate the number of customers you had at the beginning of your measurement period (S).
  3. Calculate the number of customers you lost during that period (L).
  4. Divide L by S to calculate your churn rate as a percentage.
  5. Calculate your customer retention rate by subtracting your churn rate from 1.

Analyzing and Interpreting Your Churn Rate Results

Once you’ve calculated your churn rate, it’s important to understand what it means for your business. If you have a very high churn rate, it could indicate that customers are unhappy with your product, service, or customer experience. However, a low churn rate isn’t necessarily a cause for celebration – it may simply be an indication that you’re struggling to attract new customers. Depending on your business, a healthy churn rate could range anywhere from 5% to 20%.

Factors Affecting Your Churn Rate and How to Address Them

There are a number of factors that can impact your churn rate, including pricing, customer service, product quality, and competition. It’s important to continually assess these factors and make changes to improve your customer retention. For example, you might try offering discounts or special deals to customers at risk of churning, or investing in customer service training to improve the overall customer experience.

Strategies to Reduce Your Company’s Churn Rate

If you’re looking to reduce your company’s churn rate, there are a number of strategies you can try. These might include:

  • Improving your onboarding process to ensure customers understand how to use your product or service
  • Implementing customer feedback tools to gather feedback and make improvements
  • Streamlining your billing or cancellation processes to make it easier for customers to stick with you
  • Providing exceptional customer service and support to build loyalty and trust

Best Practices for Maintaining a Low Churn Rate

Maintaining a low churn rate requires ongoing effort and attention. Some best practices to keep in mind include:

  • Regularly monitoring your churn rate and customer retention
  • Investing in ongoing customer engagement and communication
  • Celebrating customer milestones and offering rewards for loyalty
  • Continually improving your product or service to meet changing customer needs


Calculating and monitoring your churn rate is an essential part of running a successful business. By understanding the factors that impact your churn rate and taking steps to address them, you can improve customer retention and build a loyal customer base. By following the step-by-step guide above and implementing the best practices we’ve identified, you can start reducing your churn rate and driving long-term growth for your business.