KPI Tree

Klaviyo Metric

Email Marketing

Repeat Purchase Rate = (Email-Engaged Customers with 2+ Purchases / Total Email-Engaged Customers) x 100

Repeat purchase rate from email measures the percentage of Klaviyo email-engaged customers who make a second or subsequent purchase within a defined period. It quantifies how effectively your email programme drives purchase frequency and customer retention beyond the initial transaction.

KlaviyoEmail Marketing

Repeat Purchase Rate (Email)

Repeat purchase rate from email measures the percentage of Klaviyo email-engaged customers who make a second or subsequent purchase within a defined period. It quantifies how effectively your email programme drives purchase frequency and customer retention beyond the initial transaction.

How to calculate repeat purchase rate (email)

Repeat Purchase Rate = (Email-Engaged Customers with 2+ Purchases / Total Email-Engaged Customers) x 100

Why repeat purchase rate (email) matters for Klaviyo users

Acquiring a customer is expensive. Converting them into a repeat buyer is where profitability begins. Email is the primary tool for driving repeat purchases in e-commerce, and measuring its effectiveness at this specific task reveals whether your post-purchase programme justifies its investment.

Mapping repeat purchase rate into your metric tree connects post-purchase email engagement to customer lifetime value. Correlations show which post-purchase flows, timing patterns, and content types most effectively convert one-time buyers into repeat customers.

Understand and act on repeat purchase rate (email) with KPI Tree

KPI Tree connects purchase and email engagement data from your warehouse. Track repeat purchase rates for email-engaged customers versus non-engaged customers.

Assign RACI ownership to your retention marketing lead. Set alerts when repeat purchase rates decline and track post-purchase flow optimisation against their impact on purchase frequency.

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Related Klaviyo metrics

Customer Lifetime Value (Email)

Email Marketing

Metric Definition

Email LTV = Average Email-Attributed Revenue per Customer x Average Customer Lifespan

Customer lifetime value from email measures the total revenue generated over the full customer relationship that is attributable to Klaviyo email and SMS engagement. It connects email programme investment to long-term customer value, providing the ultimate measure of retention marketing effectiveness.

View metric

Cross-Sell Email Effectiveness

Email Marketing

Metric Definition

Cross-sell email effectiveness measures how successfully Klaviyo cross-sell and product recommendation emails drive additional purchases. It evaluates whether personalised product suggestions in post-purchase flows and campaigns generate incremental revenue beyond what customers would have purchased organically.

View metric

Flow Conversion Rate

Email Marketing

Metric Definition

Flow Conversion Rate = (Flow Conversions / Flow Recipients) x 100

Flow conversion rate measures the percentage of recipients who enter a Klaviyo automated flow and subsequently complete the desired conversion action - such as a purchase, signup, or re-engagement. It quantifies how effectively your automated sequences drive their intended outcomes.

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Email Revenue Attribution

Email Marketing

Metric Definition

Email revenue attribution measures the total revenue attributed to Klaviyo email and SMS campaigns and flows within a defined attribution window. It quantifies the direct revenue contribution of your email programme and tracks how that contribution changes over time.

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Email Engagement Scoring

Email Marketing

Metric Definition

Email engagement scoring assigns a composite score to each Klaviyo subscriber based on their open, click, purchase, and recency patterns. It provides a unified view of subscriber engagement that goes beyond any single metric to identify highly engaged, at-risk, and disengaged subscribers.

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