diff --git a/src/UglyToad.PdfPig/Content/Page.cs b/src/UglyToad.PdfPig/Content/Page.cs
index bb08f029..c0458446 100644
--- a/src/UglyToad.PdfPig/Content/Page.cs
+++ b/src/UglyToad.PdfPig/Content/Page.cs
@@ -154,6 +154,15 @@
             {
                 return annotationProvider.GetAnnotations();
             }
+
+            /// <summary>
+            /// Gets the calculated letter size in points.
+            /// This is considered experimental because the calculated value is incorrect for some documents at present.
+            /// </summary>
+            public decimal GetPointSize(Letter letter)
+            {
+                return letter.PointSize;
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/UglyToad.PdfPig/Graphics/ContentStreamProcessor.cs b/src/UglyToad.PdfPig/Graphics/ContentStreamProcessor.cs
index 9839c316..915f8130 100644
--- a/src/UglyToad.PdfPig/Graphics/ContentStreamProcessor.cs
+++ b/src/UglyToad.PdfPig/Graphics/ContentStreamProcessor.cs
@@ -126,7 +126,7 @@
 
             // TODO: this does not seem correct, produces the correct result for now but we need to revisit.
             // see: https://stackoverflow.com/questions/48010235/pdf-specification-get-font-size-in-points
-            var pointSize = decimal.Round(fontSize * transformationMatrix.A, 2);
+            var pointSize = decimal.Round(rotation.Rotate(transformationMatrix).Multiply(TextMatrices.TextMatrix).Multiply(fontSize).A, 2);
             
             while (bytes.MoveNext())
             {