diff --git a/src/blenderbim/blenderbim/tool/model.py b/src/blenderbim/blenderbim/tool/model.py
index 192959bc1c..888d705481 100644
--- a/src/blenderbim/blenderbim/tool/model.py
+++ b/src/blenderbim/blenderbim/tool/model.py
@@ -977,6 +977,7 @@ class Model(blenderbim.core.tool.Model):
         if nosing_length < 0:  # tread gaps
             length += abs(nosing_length) * number_of_treads
         calculated_params["Length"] = round(length, 5)
+        calculated_params["Pitch"] = round(height/length, 5)
 
         return calculated_params