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Also known as: NDR, net revenue retention, NRR

Net Dollar Retention

ConceptualSalesMetrics

Definition

Net Dollar Retention: Net dollar retention measures revenue from existing customers over time, accounting for expansion, contraction, and churn. Calculated as (starting MRR + expansion - contraction - churn) / starting MRR, NDR above 100% means growth from existing customers exceeds losses. Elite SaaS companies achieve 120%+ NDR, growing even without new customers.

Example Usage

β€œOur 115% NDR means we grow 15% annually from existing customers alone, even before adding new logos.”

Common Misconceptions

Focus only on new customer acquisition. High NDR often matters more than new logo growth.
NDR is just about preventing churn. Expansion revenue drives NDR above 100%.
All customers contribute equally. Analyze NDR by segment to understand where growth comes from.

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