Approval.

ru/units_length_set.php

@@ -3,5 +3,5 @@ $units_length_set['m'] = 'м';
 $units_length_set['dm'] = 'дм';
 $units_length_set['cm'] = 'см';
 $units_length_set['mm'] = 'мм';
-$units_length_set['ft'] = 'ft';
-$units_length_set['in'] = 'inch';
+$units_length_set['ft'] = 'фут';
+$units_length_set['in'] = 'дюйм';