diff --git a/nav2_costmap_2d/include/nav2_costmap_2d/inflation_layer.hpp b/nav2_costmap_2d/include/nav2_costmap_2d/inflation_layer.hpp
index c330cd4ef6..68ea9c8de6 100644
--- a/nav2_costmap_2d/include/nav2_costmap_2d/inflation_layer.hpp
+++ b/nav2_costmap_2d/include/nav2_costmap_2d/inflation_layer.hpp
@@ -177,6 +177,11 @@ class InflationLayer : public Layer
     return cost_scaling_factor_;
   }
 
+  double getInflationRadius()
+  {
+    return inflation_radius_;
+  }
+
 protected:
   /**
    * @brief Process updates on footprint changes to the inflation layer