diff --git a/hwe/func_converter.php b/hwe/func_converter.php
index e35824c5..80696065 100644
--- a/hwe/func_converter.php
+++ b/hwe/func_converter.php
@@ -881,3 +881,8 @@ function newColor($color) : string {
 function backColor($color) : string {
     return newColor($color);
 }
+
+
+function getDomesticExpLevelBonus(int $expLevel):float{
+    return 1 + $expLevel / 500;
+}
\ No newline at end of file