diff --git a/openmc/cell.py b/openmc/cell.py
index 4b419e1c6..0cea73b32 100644
--- a/openmc/cell.py
+++ b/openmc/cell.py
@@ -634,6 +634,9 @@ class Cell(IDManagerMixin):
         if self.rotation is not None:
             element.set("rotation", ' '.join(map(str, self.rotation.ravel())))
 
+        if self.volume is not None:
+            element.set("volume", str(self.volume))
+
         return element
 
     @classmethod
@@ -687,6 +690,9 @@ class Cell(IDManagerMixin):
                 c.temperature = [float(t_i) for t_i in t.split()]
             else:
                 c.temperature = float(t)
+        v = get_text(elem, 'volume')
+        if v is not None:
+            c.volume = float(v)
         for key in ('temperature', 'rotation', 'translation'):
             value = get_text(elem, key)
             if value is not None: