diff --git a/src/pixi/display/DisplayObject.js b/src/pixi/display/DisplayObject.js
index a4f96a0..38e41ac 100644
--- a/src/pixi/display/DisplayObject.js
+++ b/src/pixi/display/DisplayObject.js
@@ -509,6 +509,25 @@
     this._generateCachedSprite();
 };
 
+PIXI.DisplayObject.prototype.toGlobal = function(pos)
+{
+    this.updateTransform();
+    return this.worldTransform.apply(pos);
+};
+
+PIXI.DisplayObject.prototype.toLocal = function(pos, from)
+{
+    if (from)
+    {
+        pos = from.toGlobal(pos);
+    }
+    else //toGlobal calls updateTransform, don't call it twice
+    {
+        this.updateTransform();
+    }
+    return this.worldTransform.applyInverse(pos);
+};
+
 PIXI.DisplayObject.prototype._renderCachedSprite = function(renderSession)
 {
     this._cachedSprite.worldAlpha = this.worldAlpha;