diff --git a/packages/app/src/components/context-window-meter.utils.test.ts b/packages/app/src/components/context-window-meter.utils.test.ts
new file mode 100644
index 0000000000..394c933176
--- /dev/null
+++ b/packages/app/src/components/context-window-meter.utils.test.ts
@@ -0,0 +1,9 @@
+import { describe, expect, it } from "vitest";
+import { formatContextPercentage } from "./context-window-meter.utils";
+
+describe("context window meter formatting", () => {
+  it("localizes percentages without hiding context overflow", () => {
+    expect(formatContextPercentage(125, "en")).toBe("125%");
+    expect(formatContextPercentage(42, "fr")).toBe("42\u00a0%");
+  });
+});
diff --git a/packages/app/src/components/context-window-meter.utils.ts b/packages/app/src/components/context-window-meter.utils.ts
index 1f7035e44e..055c01386c 100644
--- a/packages/app/src/components/context-window-meter.utils.ts
+++ b/packages/app/src/components/context-window-meter.utils.ts
@@ -1,3 +1,10 @@
+export function formatContextPercentage(value: number, locale?: string): string {
+  return new Intl.NumberFormat(locale, {
+    style: "percent",
+    maximumFractionDigits: 0,
+  }).format(value / 100);
+}
+
 export function formatTokenCount(value: number): string {
   if (value >= 1_000_000) {
     return `${Math.round(value / 1_000_000)}m`;
@@ -7,10 +14,3 @@ export function formatTokenCount(value: number): string {
   }
   return Math.round(value).toString();
 }
-
-export function formatContextPercentage(value: number, locale?: string): string {
-  return new Intl.NumberFormat(locale, {
-    style: "percent",
-    maximumFractionDigits: 0,
-  }).format(Math.max(0, Math.min(100, value)) / 100);
-}