diff --git a/moviepy/video/VideoClip.py b/moviepy/video/VideoClip.py
index 9a8f0aee2..ab5038159 100644
--- a/moviepy/video/VideoClip.py
+++ b/moviepy/video/VideoClip.py
@@ -107,6 +107,7 @@ def __init__(self, make_frame=None, ismask=False, duration=None,
             self.duration = duration
             self.end = duration
 
+
     @property
     def w(self):
         return self.size[0]
@@ -117,6 +118,11 @@ def h(self):
         return self.size[1]
 
 
+    @property
+    def aspect_ratio(self):
+        return self.w / float(self.h)
+
+
     # ===============================================================
     # EXPORT OPERATIONS