diff --git a/SourceManager.py b/SourceManager.py
index 43d6372..3d97a7f 100755
--- a/SourceManager.py
+++ b/SourceManager.py
@@ -473,8 +473,13 @@ class Server:
 		return True
 	
 	def clear_maps(self, exclude = "itemtest.bsp"):
+		import os
+		map_sizes = 0
 		map_list = glob(f"{self.root}/maps/*.bsp")
-		self.o.info(f"Delete {len(map_list) - 1} maps?")
+		for map_file in map_list:
+			map_sizes += os.path.getsize(map_file)
+
+		self.o.info(f"Delete {len(map_list) - 1} maps? Size ~ : {round(map_sizes/1024/1024)} MB")
 		if self.wait_input():
 			for map_path in map_list:
 				if exclude in map_path: