diff --git a/i18n/cs.json b/i18n/cs.json
index 6a8db622..54c0bb42 100644
--- a/i18n/cs.json
+++ b/i18n/cs.json
@@ -164,6 +164,14 @@
     "EiB": "EiB",
     "ZiB": "ZiB",
     "YiB": "YiB",
+    "KB": "KB",
+    "MB": "MB",
+    "GB": "GB",
+    "TB": "TB",
+    "PB": "PB",
+    "EB": "EB",
+    "ZB": "ZB",
+    "YB": "YB",
     "Format": "Formát",
     "Plain Text": "Prostý text",
     "Source Code": "Zdrojový kód",