diff --git a/frontend/src/ts/ervu_business_metrics/component/chart/plugin/formatters/LabelNumberToLocalStringFormatter.ts b/frontend/src/ts/ervu_business_metrics/component/chart/plugin/formatters/LabelNumberToLocalStringFormatter.ts
new file mode 100644
index 0000000..6c01c37
--- /dev/null
+++ b/frontend/src/ts/ervu_business_metrics/component/chart/plugin/formatters/LabelNumberToLocalStringFormatter.ts
@@ -0,0 +1,13 @@
+import {
+  ChartLabelModel
+} from "../../../../../generated/ervu_business_metrics/model/chart/round/label/ChartLabelModel";
+import {NumberToLocalStringFormatter} from "../../../../formatter/NumberToLocalStringFormatter";
+import {ChartLabelFormatter} from "./ChartLabelFormatter";
+
+export class LabelNumberToLocalStringFormatter implements ChartLabelFormatter {
+  private readonly textFormatter = new NumberToLocalStringFormatter();
+
+  format(label: ChartLabelModel, labels?: ChartLabelModel[], index?: number): void {
+    label.text = this.textFormatter.format(label.text);
+  }
+}