All CollectionsDataOrganizeMetricsMetricsCustom, imported, and built-in metrics in Funnel.15 articlesWorking with rule-based metrics# RulesWorking with Non-Aggregatable (Non-Agg) Metrics in FunnelCreate Monthly and Weekly Facebook Reach in FunnelGoogle Analytics - How to map fields between Universal Analytics and GA4 in FunnelThis article helps you create a harmonized dataset across Universal Analytics & Google Analytics 4 in Funnel.Why Non-Aggregatable Metrics Cannot be SummedWalkthrough example of why non-aggregatable metrics cannot be summed. Also includes links to other related knowledge base articles.Create a custom metricLearn how to create your own metricsWhat are the differences between a rule metric and a formula metric?Learn the differences between custom metrics based on rules vs formulasHow are custom metrics calculated?Understand more detail on when and how formula and rules are evaluatedHow can I calculate Cost from other metrics?It is possible to use Custom Metrics that build on other metrics to build your monetary metricCreate a metric from a dimension row & valueHow to pivot/transpose metrics in FunnelWhy can I not calculate CPC in a rule?For example a Cost divided by Clicks calculation can be done using either formula or rule based metrics but gives very different results. Only formula metrics will calculate ratios correctly.…Funnel's standard metric rulesDefault behaviour for Cost, Clicks and ImpressionsWhat are non-aggregatable metrics?Learn about what we mean when talking about non-aggregatable metrics.What happened to 'Ad platform basic' metrics?Funnel's Cost, Impressions, Clicks, CPC, CTR, CPM are upgraded to allow overriding these calculationsHow do I build a custom metric for Facebook Ads based on click or view attribution only?Learn how to build a rules-based custom metric that makes use of the native Facebook Ads (by Meta) metric 'Attribution window'.Platform conversion definitionsCompare how Google Analytics, Facebook, and Google Ads define and attribute conversions.