diff --git a/proxstar/user.py b/proxstar/user.py
index 96ff819..230dae7 100644
--- a/proxstar/user.py
+++ b/proxstar/user.py
@@ -1,3 +1,5 @@
+from math import ceil
+
 from proxmoxer.core import ResourceException
 from rq.registry import StartedJobRegistry
 
@@ -88,7 +90,7 @@ class User:
                     usage['cpu'] += int(vm.cpu)
                     usage['mem'] += int(vm.mem) / 1024
                 for disk in vm.disks:
-                    usage['disk'] += int(disk[1])
+                    usage['disk'] += int(ceil(disk[1]))
         return usage
 
     @lazy_property
diff --git a/proxstar/vm.py b/proxstar/vm.py
index 99e668e..6468c11 100644
--- a/proxstar/vm.py
+++ b/proxstar/vm.py
@@ -10,6 +10,10 @@ from proxstar.proxmox import connect_proxmox, get_free_vmid, get_node_least_mem,
 from proxstar.starrs import get_ip_for_mac
 from proxstar.util import lazy_property, default_repr
 
+def check_in_gb(size):
+    if size[-1] == 'M':
+        size = f'{int(size.rstrip("M")) / 1000}G'
+    return size
 
 @default_repr
 class VM:
@@ -251,11 +255,6 @@ class VM:
                 disk_size = split.split('=')[1].rstrip('G')
         return disk_size
 
-    def check_in_gb(size):
-        if size[-1] == 'M':
-            size = f'{int(size.rstrip("M")) / 1000}G'
-        return size
-
     @lazy_property
     def disks(self):
         disks = []