diff --git a/addons/web/static/src/views/fields/numpad_decimal_hook.js b/addons/web/static/src/views/fields/numpad_decimal_hook.js
index 721c164c61d..6177db16efc 100644
--- a/addons/web/static/src/views/fields/numpad_decimal_hook.js
+++ b/addons/web/static/src/views/fields/numpad_decimal_hook.js
@@ -4,6 +4,23 @@ import { localization } from "@web/core/l10n/localization";
 
 import { useRef, useEffect } from "@odoo/owl";
 
+function onKeydown(ev) {
+    const decimalPoint = localization.decimalPoint;
+    if (
+        !([".", ","].includes(ev.key) && ev.code === "NumpadDecimal") ||
+        ev.key === decimalPoint ||
+        ev.target.type === "number"
+    ) {
+        return;
+    }
+    ev.preventDefault();
+    ev.target.setRangeText(decimalPoint, ev.target.selectionStart, ev.target.selectionEnd, "end");
+}
+
+function onFocus(ev) {
+    ev.target.select();
+}
+
 /**
  * This hook replaces the decimal separator of the numpad decimal key
  * by the decimal separator from the user's language setting when user
@@ -16,33 +33,18 @@ import { useRef, useEffect } from "@odoo/owl";
  * case, whatever the user types, we let the browser's default behavior.
  */
 export function useNumpadDecimal() {
-    const decimalPoint = localization.decimalPoint;
     const ref = useRef("numpadDecimal");
-    const handler = (ev) => {
-        if (
-            !([".", ","].includes(ev.key) && ev.code === "NumpadDecimal") ||
-            ev.key === decimalPoint ||
-            ev.target.type === "number"
-        ) {
-            return;
-        }
-        ev.preventDefault();
-        ev.target.setRangeText(
-            decimalPoint,
-            ev.target.selectionStart,
-            ev.target.selectionEnd,
-            "end"
-        );
-    };
     useEffect(() => {
         let inputs = [];
         const el = ref.el;
         if (el) {
             inputs = el.nodeName === "INPUT" ? [el] : el.querySelectorAll("input");
-            inputs.forEach((input) => input.addEventListener("keydown", handler));
+            inputs.forEach((input) => input.addEventListener("keydown", onKeydown));
+            inputs.forEach((input) => input.addEventListener("focus", onFocus));
         }
         return () => {
-            inputs.forEach((input) => input.removeEventListener("keydown", handler));
+            inputs.forEach((input) => input.removeEventListener("keydown", onKeydown));
+            inputs.forEach((input) => input.removeEventListener("focus", onFocus));
         };
     });
 }
diff --git a/addons/web/static/tests/views/fields/numeric_fields_tests.js b/addons/web/static/tests/views/fields/numeric_fields_tests.js
index ac378acda37..7cc143a6ac0 100644
--- a/addons/web/static/tests/views/fields/numeric_fields_tests.js
+++ b/addons/web/static/tests/views/fields/numeric_fields_tests.js
@@ -2,7 +2,13 @@
 
 import { makeFakeLocalizationService } from "@web/../tests/helpers/mock_services";
 import { registry } from "@web/core/registry";
-import { click, getFixture, nextTick, patchWithCleanup } from "@web/../tests/helpers/utils";
+import {
+    click,
+    getFixture,
+    nextTick,
+    patchWithCleanup,
+    triggerEvent,
+} from "@web/../tests/helpers/utils";
 import { makeView, setupViewRegistries } from "@web/../tests/views/helpers";
 import { localization } from "@web/core/l10n/localization";
 import { useNumpadDecimal } from "@web/views/fields/numpad_decimal_hook";
@@ -374,4 +380,18 @@ QUnit.module("Fields", (hooks) => {
             await testInputElements(target.querySelectorAll("main > input"));
         }
     );
+
+    QUnit.test("select all content on focus", async function (assert) {
+        await makeView({
+            type: "form",
+            resModel: "partner",
+            serverData,
+            arch: `<form><field name="monetary"/></form>`,
+        });
+
+        const input = target.querySelector(".o_field_widget[name='monetary'] input");
+        await triggerEvent(input, null, "focus");
+        assert.strictEqual(input.selectionStart, 0);
+        assert.strictEqual(input.selectionEnd, 4);
+    });
 });