--- a/MCE.rc
+++ b/MCE.rc
@@ -498,23 +498,27 @@
     RTEXT           "Show surface level at:",IDC_STATIC,9,38,74,11
 END
 
-IDD_CALCULATE_VOLUME_DLG DIALOGEX 0, 0, 209, 95
+IDD_CALCULATE_VOLUME_DLG DIALOGEX 0, 0, 209, 108
 STYLE DS_SETFONT | DS_MODALFRAME | DS_FIXEDSYS | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU
 CAPTION "Calculate volume"
 FONT 8, "MS Shell Dlg", 400, 0, 0x1
 BEGIN
-    DEFPUSHBUTTON   "Leave",IDOK,7,74,50,14
-    EDITTEXT        IDC_EDIT1_VOLUME,60,57,49,14,ES_AUTOHSCROLL | ES_READONLY
+    PUSHBUTTON      "Leave",IDOK,7,90,50,14
+    EDITTEXT        IDC_EDIT1_VOLUME,59,57,49,14,ES_AUTOHSCROLL | ES_READONLY
     COMBOBOX        IDC_COMBO_LAYER,125,7,77,69,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
     LTEXT           "<- set iso-level from layer\n or write your own number.",IDC_STATIC,115,22,87,18
-    PUSHBUTTON      "<- Calculate",IDC_BUTTON_CALC,118,57,50,14
+    DEFPUSHBUTTON   "Calculate",IDC_BUTTON_CALC,152,90,50,14
     EDITTEXT        IDC_EDIT_ISOLEVEL,60,23,49,14,ES_AUTOHSCROLL
     LTEXT           "iso-level:",IDC_STATIC,7,25,30,8
     COMBOBOX        IDC_COMBO_MAP,55,7,54,68,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
     LTEXT           "select map:",IDC_STATIC,7,7,38,8
-    LTEXT           "volume:",IDC_STATIC,7,58,26,8
+    LTEXT           "volume:",IDC_STATIC,31,59,26,8
     CONTROL         "inside are vlaues smaller than iso-level",IDC_CHECK_INSIDE_ARE_SMALLER_VALUES,
                     "Button",BS_AUTOCHECKBOX | WS_TABSTOP,7,43,144,9
+    EDITTEXT        IDC_EDIT1_SURFACE_AREA,59,74,49,14,ES_AUTOHSCROLL | ES_READONLY
+    LTEXT           "Surface area:",IDC_STATIC,12,76,45,8
+    LTEXT           "Ang^3",IDC_STATIC,111,59,23,8
+    LTEXT           "Ang^2",IDC_STATIC,111,74,23,8
 END
 
 IDD_WAITDIALOG DIALOGEX 0, 0, 187, 81
@@ -636,7 +640,7 @@
         LEFTMARGIN, 7
         RIGHTMARGIN, 202
         TOPMARGIN, 7
-        BOTTOMMARGIN, 88
+        BOTTOMMARGIN, 101
     END
 
     IDD_WAITDIALOG, DIALOG