What is Churn Rate and How To Calculate it?

Andrew Strassmore
Andrew Strassmore
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Churn rate is a measure of customer attrition, which reflects the percentage of customers or subscribers who discontinue using a service or product over a given period of time.


Churn rate, also known as attrition or customer churn, is the percentage of customers who end their relationship with a company over a certain time period. A high churn rate indicates that the company is losing customers faster than it can acquire new ones. Companies often monitor their churn rates to identify areas for improvement in order to reduce customer attrition and maintain a healthy customer base.


Churn rate is an important metric for any business, particularly those that rely on recurring revenue from subscriptions or monthly payments. Since customer acquisition costs are typically higher than retention costs, companies want to minimize their churn rate by providing good customer service and engaging products or services that keep users loyal to the brand. Additionally, by understanding how and why customers leave, companies can adjust their strategies to reduce churn rate and increase customer retention.


Churn rate is typically calculated by dividing the number of customers who left during a certain period (e.g., month or year) by the total number of customers at the beginning of that period. For example, if a company had 1,000 customers at the start of a month and 30 customers left during that month, its churn rate would be 3%. Companies often calculate average monthly churn rates as well as annualized or rolling churn rates to track how customer attrition changes over time.

How to Calculate Churn Rater?

Impact on Revenue

A high customer churn rate can have a significant impact on revenue since fewer customers lead to lower sales and decreased recurring revenue. Companies can also lose out on potential referrals from dissatisfied customers, which further reduces the chance of acquiring new customers. High churn rates may also lead to decreased customer lifetime value since loyal customers tend to spend more than short-term customers. Therefore, understanding and managing customer churn is critical for any company that wants to maximize its revenue and retain its existing users.

What is a Good Churn Rate?

The definition of a “good” churn rate depends on the industry and company. Generally, anything below 5% is considered good, while anything above 10-15% is considered high. However, each business should strive for the lowest possible churn rate that fits their specific situation and customer base. Additionally, companies should track churn rates over time to identify any changes or trends in customer attrition. By monitoring churn rate and making strategic adjustments as needed, businesses can reduce customer attrition and maximize their revenue potential.


Overall, customer churn rate is a key metric for businesses as it provides insights into how well they are retaining their customers over time. Companies should strive to reduce their churn rate through strategies such as providing excellent customer service, engaging products or services, and offering incentives for loyalty. By doing this, companies can ensure that they are keeping their current customer base satisfied while continuing to attract new customers. In this way, they can maximize their revenue potential while minimizing churn rate.

Andrew Strassmore

Chief Marketing Officer

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Marketing addicted and blockchain inspired. Writing about marketing and cryptocurrency since 2017.

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