diff --git a/split_zip_into_under_5GB_chunks.py b/split_zip_into_smaller_chunks.py
similarity index 83%
rename from split_zip_into_under_5GB_chunks.py
rename to split_zip_into_smaller_chunks.py
index 2d31f05..47571e7 100755
--- a/split_zip_into_under_5GB_chunks.py
+++ b/split_zip_into_smaller_chunks.py
@@ -24,6 +24,20 @@ def printProgressBar(iteration, total, prefix = '', suffix = '', decimals = 1, l
     if iteration == total: 
         print()
 
+def can_float(str):
+    try:
+        float(str)
+        return True
+    except ValueError:
+        return False
+
+def get_max_size():
+    while True:
+        mx_group_size = input("Enter the maximum (in GB) zipped file size: ")
+        if can_float(mx_group_size):
+            return float(mx_group_size)
+        else:
+            print(f"You did not enter a number. Please try again.")
 
 def get_zip_path():
     while True:
@@ -33,7 +47,8 @@ def get_zip_path():
         else:
             print(f"The file at {zip_path} does not exist. Please try again.")
 
-def split_zip(input_zip_path, output_folder, max_group_size=4.5 * 1024 * 1024 * 1024):
+def split_zip(input_zip_path, output_folder, max_group_size):
+    max_group_size = max_group_size * 1024 * 1024 * 1024
     # Ensure the output folder exists
     base = os.path.basename(input_zip_path)
     file_name = os.path.splitext(base)[0]
@@ -72,7 +87,8 @@ def split_zip(input_zip_path, output_folder, max_group_size=4.5 * 1024 * 1024 *
 
 # Example usage
 # input_zip_path = 'path/to/your/large.zip'
+max_group_size = get_max_size()
 input_zip_path = get_zip_path()
 output_folder = 'output'
 
-split_zip(input_zip_path, output_folder)
+split_zip(input_zip_path, output_folder, max_group_size)