diff --git a/src/core/__init__.py b/src/core/__init__.py
index 520578a..6f6679f 100644
--- a/src/core/__init__.py
+++ b/src/core/__init__.py
@@ -101,4 +101,10 @@ pl = PluginsLoader("plugins")
 pl.load_plugins()
 ev.call_event("on_started")
 
+builtins.B = 1
+builtins.KB = B * 1024
+builtins.MB = KB * 1024
+builtins.GB = MB * 1024
+builtins.TB = GB * 1024
+
 log.info(i18n.init)