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

GlossaryMeasurement & AttributionModeled Conversions

Measurement & Attribution

Modeled Conversions

Conversions estimated by platforms using machine learning to fill gaps when consent, cookies or device tracking prevent direct observation.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Modeled conversions are conversions that ad and analytics platforms estimate using machine learning to fill gaps when consent choices, cookie restrictions or cross-device journeys prevent direct observation. They are based on patterns from observable users. Modeling restores a more complete picture of performance, though the figures are estimates rather than individually recorded events.