Customer success metrics are those that quantify customer success and which help a business ensure that customers reach a desired outcome from using its products and services. Customer success metrics determine what sort of customer experience the business is delivering. In other words, is the product or service having a positive impact on the customer? Are they recommending it to their friends and family? These metrics help the business reach a point where recurring revenue and customer lifetime value are being created consistently. When used effectively, they deliver important insights across key areas such as customer churn, adaptation rate, and production satisfaction.
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Net promoter score

Net promoter score (NPS) is derived from asking consumers one simple question: “On a scale of 1 to 10, how likely are you to recommend this product or service?”
Ratings can be considered thusly:
- Detractors – scores between 0 and 6 denote unsatisfied consumers who tend to discourage others from purchasing the product or service.
- Passives – a score of 7 or 8 is likely to be given by a consumer who is satisfied but not so satisfied that they’re willing to tell others.
- Promoters – a score of 9 or 10 is the most desirable. These are loyal and passionate consumers who recommend products and services to friends and family.
After rating their experience, the customer is asked to explain their decision. In this way, the NPS provides both qualitative and quantitative customer success data.
Customer lifetime value

Customer lifetime value (CLV) measures the total value a customer is likely to generate over the course of their entire relationship with the business. When CLV increases, the business knows its products and services are contributing to customer success.
Customer lifetime value can be calculated by multiplying the average purchase frequency rate by the average purchase value. The resultant number should then be multiplied by the average customer lifespan.
Customer acquisition cost
Customer acquisition cost (CAC) is an important metric since it determines how much it costs the business to acquire a new customer. CAC helps the business better direct its resources and maximize return on investment. When used with customer lifetime value, CAC tells the business whether it is likely to profit from acquiring new customers over the long term.
To calculate customer acquisition cost, add the costs associated with sales and marketing and then divide that sum by the number of new customers acquired.
Customer churn rate
Customer churn rate captures the percentage of customers who cease using a product or service for whatever reason. This may encompass closed accounts, canceled subscriptions, and the loss of recurring value, business, or contracts.
Customer churn rate can be determined by dividing the total number of churned customers by the total number of all customers.
Average revenue per user

Average revenue per user (ARPU) – also known as average revenue per unit – is the average revenue the business receives from a customer over a specific period.
ARPU is a customer success metric commonly used by social media, telecommunications, and SaaS companies to better understand profit potential and their customers. It also can be used to make financial forecasts and compare products and services to those offered by a competitor.
ARPU is calculated by determining the total revenue and dividing that figure by the average number of users over a given period. For most businesses, this will be monthly.
Monthly recurring revenue
Monthly recurring revenue (MRR) is, perhaps unsurprisingly, a customer success metric favored by SaaS and other subscription-based companies.
MRR is a normalized calculation of predictable monthly revenue and is used to measure financial growth and momentum, among other things.
To calculate MRR, simply multiply the average revenue per user by the total number of monthly users.
Key takeaways:
- Customer success metrics are those that quantify customer success and which help a business ensure that customers reach a desired outcome from using its products and services.
- Customer success metrics include Net Promoter Score, a quantitative and qualitative measurement of how likely a product or service will be recommended to others. Customer acquisition cost is another metric that determines how much it costs the business to acquire a new customer and whether it will be profitable.
- Customer churn rate measures the percentage of customers who cease using a product or service, while average revenue per user (ARPU) is often used in conjunction with monthly recurring revenue (MRR) to make financial forecasts and determine profit potential.
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