diff --git a/apps/client/src/services/utils.ts b/apps/client/src/services/utils.ts
index 9dff8fef2..8d9ce1014 100644
--- a/apps/client/src/services/utils.ts
+++ b/apps/client/src/services/utils.ts
@@ -187,13 +187,15 @@ export function formatSize(size: number | null | undefined) {
         return "";
     }
 
-    size = Math.max(Math.round(size / 1024), 1);
-
-    if (size < 1024) {
-        return `${size} KiB`;
+    if (size === 0) {
+        return "0 B";
     }
-    return `${Math.round(size / 102.4) / 10} MiB`;
 
+    const k = 1024;
+    const sizes = ["B", "KB", "MB", "GB"];
+    const i = Math.floor(Math.log(size) / Math.log(k));
+
+    return `${Math.round((size / Math.pow(k, i)) * 100) / 100} ${sizes[i]}`;
 }
 
 function toObject<T, R>(array: T[], fn: (arg0: T) => [key: string, value: R]) {
diff --git a/apps/client/src/widgets/sidebar/PdfAttachments.tsx b/apps/client/src/widgets/sidebar/PdfAttachments.tsx
index 1627814af..3269db627 100644
--- a/apps/client/src/widgets/sidebar/PdfAttachments.tsx
+++ b/apps/client/src/widgets/sidebar/PdfAttachments.tsx
@@ -1,5 +1,6 @@
 import "./PdfAttachments.css";
 
+import { formatSize } from "../../services/utils";
 import { useActiveNoteContext, useGetContextData, useNoteProperty } from "../react/hooks";
 import Icon from "../react/Icon";
 import RightPanelWidget from "./RightPanelWidget";
@@ -52,7 +53,7 @@ function PdfAttachmentItem({
     attachment: AttachmentInfo;
     onDownload: (filename: string) => void;
 }) {
-    const sizeText = formatFileSize(attachment.size);
+    const sizeText = formatSize(attachment.size);
 
     return (
         <div className="pdf-attachment-item" onClick={() => onDownload(attachment.filename)}>
@@ -65,11 +66,3 @@ function PdfAttachmentItem({
         </div>
     );
 }
-
-function formatFileSize(bytes: number): string {
-    if (bytes === 0) return "0 B";
-    const k = 1024;
-    const sizes = ["B", "KB", "MB", "GB"];
-    const i = Math.floor(Math.log(bytes) / Math.log(k));
-    return `${Math.round((bytes / Math.pow(k, i)) * 100) / 100  } ${  sizes[i]}`;
-}