diff --git a/src/PhpWord/Shared/Drawing.php b/src/PhpWord/Shared/Drawing.php
index 825ce8f1..f1d61eb6 100644
--- a/src/PhpWord/Shared/Drawing.php
+++ b/src/PhpWord/Shared/Drawing.php
@@ -108,7 +108,7 @@ class Drawing
      */
     public static function pixelsToCentimeters($value = 0)
     {
-        return $value * 0.028;
+        return $value * 0.026458333;
     }
 
     /**
@@ -120,7 +120,7 @@ class Drawing
     public static function centimetersToPixels($value = 0)
     {
         if ($value != 0) {
-            return $value / 0.028;
+            return $value / 0.026458333;
         } else {
             return 0;
         }
diff --git a/tests/PhpWord/Tests/Shared/DrawingTest.php b/tests/PhpWord/Tests/Shared/DrawingTest.php
index 02eeda9b..3fce6dc7 100644
--- a/tests/PhpWord/Tests/Shared/DrawingTest.php
+++ b/tests/PhpWord/Tests/Shared/DrawingTest.php
@@ -56,10 +56,10 @@ class DrawingTest extends \PHPUnit_Framework_TestCase
             $this->assertEquals(round($value / 60000), $result);
 
             $result = Drawing::pixelsToCentimeters($value);
-            $this->assertEquals($value * 0.028, $result);
+            $this->assertEquals($value * 0.026458333, $result);
 
             $result = Drawing::centimetersToPixels($value);
-            $this->assertEquals($value / 0.028, $result);
+            $this->assertEquals($value / 0.026458333, $result);
         }
     }