diff --git a/api/@ohos.measure.d.ts b/api/@ohos.measure.d.ts
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+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/// <reference path="../component/ets/units.d.ts"/>
+
+import { Resource } from 'GlobalResource';
+
+/**
+ * Defines the options of MeasureText.
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @since 9
+ */
+export interface MeasureOptions {
+
+    /**
+     * Text to display.
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @since 9
+     */
+    textContent: string;
+
+    /**
+     * Font Size.
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @since 9
+     */
+    fontSize?: number|string|Resource;
+
+    /**
+     * Font style.
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @since 9
+     */
+    fontStyle?: number|FontStyle;
+
+    /**
+     * Font weight.
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @since 9
+     */
+    fontWeight?: number|string|FontWeight;
+
+    /**
+     * Font list of text.
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @since 9
+     */
+    fontFamily?: string|Resource;
+
+    /**
+     * Distance between text fonts.
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @since 9
+     */
+    letterSpacing?: number|string;
+}
+
+/**
+ * Defines the Measure interface.
+ * since 9
+ */
+export default class MeasureText {
+
+    /**
+     * Displays the textWidth.
+     * @syscap SystemCapability.ArkUI.ArkUI.Full
+     * @param options Options.
+     * @since 9
+     */
+    static measureText(options: MeasureOptions): double;
+}