Net Dollar Retention Calculator
Starting Revenue
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Total recurring revenue at the start of your measurement period. Check your MRR/ARR report.
Expansion Revenue
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Additional revenue from existing customers through upsells or expansions.
Contraction Revenue
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Lost revenue from existing customers who downgraded their plans.
Churn Revenue
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Lost revenue from customers who cancelled their subscriptions.
Calculate NDR
Net Dollar Retention
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💡 Healthy NDR varies by market: Enterprise SaaS typically targets over 120%, while SMB-focused companies aim for 90-110%.