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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryMeasurement & AttributionNet Promoter Score (NPS)

Measurement & Attribution

Net Promoter Score (NPS)

A loyalty metric from asking how likely customers are to recommend a brand on a 0–10 scale, calculated as promoters' percentage minus detractors' percentage.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Net Promoter Score (NPS) is a loyalty metric based on asking customers how likely they are to recommend a brand on a 0 to 10 scale. It is calculated as the percentage of promoters, who answer 9 or 10, minus the percentage of detractors, who answer 0 to 6. Scores range from -100 to 100.