diff --git a/src/Chart.Core.js b/src/Chart.Core.js
index ca2c9c508..f6a6995be 100755
--- a/src/Chart.Core.js
+++ b/src/Chart.Core.js
@@ -826,14 +826,21 @@
 			});
 		},
 		getMaximumWidth = helpers.getMaximumWidth = function(domNode){
-			var container = domNode.parentNode;
+			var container = domNode.parentNode,
+			    padding = parseInt(getStyle(container, 'padding-left')) + parseInt(getStyle(container, 'padding-right'));
 			// TODO = check cross browser stuff with this.
-			return container.clientWidth;
+			return container.clientWidth - padding;
 		},
 		getMaximumHeight = helpers.getMaximumHeight = function(domNode){
-			var container = domNode.parentNode;
+			var container = domNode.parentNode,
+			    padding = parseInt(getStyle(container, 'padding-bottom')) + parseInt(getStyle(container, 'padding-top'));
 			// TODO = check cross browser stuff with this.
-			return container.clientHeight;
+			return container.clientHeight - padding;
+		},
+		getStyle = helpers.getStyle = function (el, property) {
+			return el.currentStyle ?
+				el.currentStyle[property] :
+				document.defaultView.getComputedStyle(el, null).getPropertyValue(property);
 		},
 		getMaximumSize = helpers.getMaximumSize = helpers.getMaximumWidth, // legacy support
 		retinaScale = helpers.retinaScale = function(chart){