diff --git a/dbt_semantic_interfaces/transformations/add_input_metric_measures.py b/dbt_semantic_interfaces/transformations/add_input_metric_measures.py
index c29bce8f..6326857f 100644
--- a/dbt_semantic_interfaces/transformations/add_input_metric_measures.py
+++ b/dbt_semantic_interfaces/transformations/add_input_metric_measures.py
@@ -42,6 +42,9 @@ def _get_measures_for_metric(
                     measures.update(
                         AddInputMetricMeasuresRule._get_measures_for_metric(semantic_manifest, input_metric.name)
                     )
+            elif matched_metric.type is MetricType.CONVERSION:
+                measures.add(matched_metric.conversion_params.base_measure)
+                measures.add(matched_metric.conversion_params.conversion_measure)
             else:
                 assert_values_exhausted(matched_metric.type)
         else: