diff --git a/src/python/m5/util/convert.py b/src/python/m5/util/convert.py
index cffa1bb492..5ae31216bd 100644
--- a/src/python/m5/util/convert.py
+++ b/src/python/m5/util/convert.py
@@ -242,3 +242,6 @@ def toVoltage(value):
 
 def toCurrent(value):
     return toMetricFloat(value, 'current', 'A')
+
+def toEnergy(value):
+    return toMetricFloat(value, 'energy', 'J')