diff --git a/backend/server.py b/backend/server.py
index 56fddd0..3d04070 100644
--- a/backend/server.py
+++ b/backend/server.py
@@ -3601,6 +3601,38 @@ class CRMHandler(BaseHTTPRequestHandler):
             }
         except Exception:
             out['source_counts'] = None
+        # Storage usage — DB file(s), email attachments, backups, and disk headroom,
+        # so growth can be watched over time. Best-effort; never fails the status call.
+        try:
+            import shutil
+
+            def _fsize(p):
+                try:
+                    return os.path.getsize(p)
+                except OSError:
+                    return 0
+
+            def _dirsize(d):
+                total = 0
+                for root, _dirs, files in os.walk(d):
+                    for f in files:
+                        try:
+                            total += os.path.getsize(os.path.join(root, f))
+                        except OSError:
+                            pass
+                return total
+
+            du = shutil.disk_usage(DATA_DIR)
+            out['storage'] = {
+                'database_bytes': sum(_fsize(DB_PATH + s) for s in ("", "-wal", "-shm")),
+                'attachments_bytes': _dirsize(os.path.join(DATA_DIR, "email_attachments")),
+                'backups_bytes': _dirsize(os.path.join(DATA_DIR, "backups")),
+                'disk_total_bytes': du.total,
+                'disk_used_bytes': du.used,
+                'disk_free_bytes': du.free,
+            }
+        except Exception:
+            out['storage'] = None
         conn.close()
         self.send_json({"data": out})
 
diff --git a/frontend/index.html b/frontend/index.html
index 841d095..4e0f0d7 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -10258,6 +10258,15 @@
             if (error) return <div className="toast error" style={{ position: 'static' }}>{error}</div>;
             if (!data) return <div className="empty-state">No data</div>;
 
+            const fmtBytes = (n) => {
+                if (n == null) return '—';
+                if (n < 1024) return n + ' B';
+                const u = ['KB', 'MB', 'GB', 'TB']; let i = -1; let v = n;
+                do { v /= 1024; i++; } while (v >= 1024 && i < u.length - 1);
+                return v.toFixed(v < 10 ? 1 : 0) + ' ' + u[i];
+            };
+            const storage = data.storage;
+
             const entities = data.canonical_entities || {};
             const sync = data.last_index_sync;
             const thesis = data.thesis || {};
@@ -10317,6 +10326,31 @@
                         )}
                     </div>
 
+                    {storage && (
+                        <div className="section">
+                            <div className="section-title">Storage</div>
+                            <div className="kpi-grid" style={{ marginBottom: 0 }}>
+                                <div className="kpi-card">
+                                    <div className="kpi-label">Database</div>
+                                    <div className="kpi-value" style={{ fontSize: '18px' }}>{fmtBytes(storage.database_bytes)}</div>
+                                </div>
+                                <div className="kpi-card">
+                                    <div className="kpi-label">Email attachments</div>
+                                    <div className="kpi-value" style={{ fontSize: '18px' }}>{fmtBytes(storage.attachments_bytes)}</div>
+                                </div>
+                                <div className="kpi-card">
+                                    <div className="kpi-label">Backups</div>
+                                    <div className="kpi-value" style={{ fontSize: '18px' }}>{fmtBytes(storage.backups_bytes)}</div>
+                                </div>
+                                <div className="kpi-card">
+                                    <div className="kpi-label">Disk free</div>
+                                    <div className="kpi-value" style={{ fontSize: '18px' }}>{fmtBytes(storage.disk_free_bytes)}</div>
+                                    <div className="kpi-subtitle">of {fmtBytes(storage.disk_total_bytes)} total</div>
+                                </div>
+                            </div>
+                        </div>
+                    )}
+
                     {isAdmin && (
                         <div className="section">
                             <div className="section-title">Index Actions</div>
diff --git a/start9/0.4/startos/utils.ts b/start9/0.4/startos/utils.ts
index 27506ac..c0c2e79 100644
--- a/start9/0.4/startos/utils.ts
+++ b/start9/0.4/startos/utils.ts
@@ -27,8 +27,9 @@ export const PACKAGE_TITLE = 'Ten31 Database'
 //   * 0.1.0:59 (Email Capture admin panel + matched email into the grounding corpus)
 //   * 0.1.0:60 (Email Capture: single-mailbox enroll field for testing)
 //   * 0.1.0:61 (Email Capture: live backfill progress + auto-refresh)
-//   * Current:        0.1.0:62 (fix backfill crash on no-Reply-To emails; Sync now retries errored mailboxes)
-export const PACKAGE_VERSION = '0.1.0:62'
+//   * 0.1.0:62 (fix backfill crash on no-Reply-To emails; Sync now retries errored mailboxes)
+//   * Current:        0.1.0:63 (System Status: storage usage — DB, attachments, backups, disk free)
+export const PACKAGE_VERSION = '0.1.0:63'
 
 export const DATA_MOUNT_PATH = '/data'
 export const WEB_PORT = 8080
diff --git a/start9/0.4/startos/versions/index.ts b/start9/0.4/startos/versions/index.ts
index 5da9d9d..8401642 100644
--- a/start9/0.4/startos/versions/index.ts
+++ b/start9/0.4/startos/versions/index.ts
@@ -23,8 +23,9 @@ import { v_0_1_0_59 } from './v0.1.0.59'
 import { v_0_1_0_60 } from './v0.1.0.60'
 import { v_0_1_0_61 } from './v0.1.0.61'
 import { v_0_1_0_62 } from './v0.1.0.62'
+import { v_0_1_0_63 } from './v0.1.0.63'
 
 export const versionGraph = VersionGraph.of({
-  current: v_0_1_0_62,
-  other: [v_0_1_0_39, v_0_1_0_40, v_0_1_0_41, v_0_1_0_42, v_0_1_0_43, v_0_1_0_44, v_0_1_0_45, v_0_1_0_46, v_0_1_0_47, v_0_1_0_48, v_0_1_0_49, v_0_1_0_50, v_0_1_0_51, v_0_1_0_52, v_0_1_0_53, v_0_1_0_54, v_0_1_0_55, v_0_1_0_56, v_0_1_0_57, v_0_1_0_58, v_0_1_0_59, v_0_1_0_60, v_0_1_0_61],
+  current: v_0_1_0_63,
+  other: [v_0_1_0_39, v_0_1_0_40, v_0_1_0_41, v_0_1_0_42, v_0_1_0_43, v_0_1_0_44, v_0_1_0_45, v_0_1_0_46, v_0_1_0_47, v_0_1_0_48, v_0_1_0_49, v_0_1_0_50, v_0_1_0_51, v_0_1_0_52, v_0_1_0_53, v_0_1_0_54, v_0_1_0_55, v_0_1_0_56, v_0_1_0_57, v_0_1_0_58, v_0_1_0_59, v_0_1_0_60, v_0_1_0_61, v_0_1_0_62],
 })
diff --git a/start9/0.4/startos/versions/v0.1.0.63.ts b/start9/0.4/startos/versions/v0.1.0.63.ts
new file mode 100644
index 0000000..5ed1b63
--- /dev/null
+++ b/start9/0.4/startos/versions/v0.1.0.63.ts
@@ -0,0 +1,15 @@
+import { VersionInfo } from '@start9labs/start-sdk'
+
+// System Status now shows a Storage section: database file size, email attachments,
+// backups, and disk free/total — so growth can be watched over time. Read-only,
+// best-effort (never fails the status call). No schema migration.
+export const v_0_1_0_63 = VersionInfo.of({
+  version: '0.1.0:63',
+  releaseNotes: {
+    en_US: [
+      'System Status now shows storage usage: how much space the database, email attachments,',
+      'and backups are using, plus free disk on the server, so you can watch it grow over time.',
+    ].join(' '),
+  },
+  migrations: { up: async () => {}, down: async () => {} },
+})