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diff --git a/addons/mrp/static/src/js/mrp_should_consume.js b/addons/mrp/static/src/js/mrp_should_consume.js
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+++ b/addons/mrp/static/src/js/mrp_should_consume.js
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+odoo.define('mrp.should_consume', function (require) {
+"use strict";
+
+const BasicFields = require('web.basic_fields');
+const FieldFloat = BasicFields.FieldFloat;
+const fieldRegistry = require('web.field_registry');
+const field_utils = require('web.field_utils');
+
+/**
+ * This widget is used to display alongside the total quantity to consume of a production order,
+ * the exact quantity that the worker should consume depending on the BoM. Ex:
+ * 2 components to make 1 finished product.
+ * The production order is created to make 5 finished product and the quantity producing is set to 3.
+ * The widget will be '3.000 / 5.000'.
+ */
+const MrpShouldConsume = FieldFloat.extend({
+    /**
+     * @override
+     */
+    init: function (parent, name, params) {
+        this._super.apply(this, arguments);
+        this.displayShouldConsume = !['done', 'draft', 'cancel'].includes(params.data.state);
+        this.should_consume_qty = field_utils.format.float(params.data.should_consume_qty, params.fields.should_consume_qty, this.nodeOptions);
+    },
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    /**
+     * Prefix the classic float field (this.$el) by a static value.
+     *
+     * @private
+     * @param {float} [value] quantity to display before the input `el`
+     * @param {bool} [edit] whether the field will be editable or readonly
+     */
+    _addShouldConsume: function (value, edit=false) {
+        const $to_consume_container = $('<span class="o_should_consume"/>');
+        if (edit) {
+            $to_consume_container.addClass('o_row');
+        }
+        $to_consume_container.text(value + ' / ');
+        this.setElement(this.$el.wrap($to_consume_container).parent());
+    },
+
+    /**
+     * @private
+     * @override
+     */
+    _renderEdit: function () {
+        if (this.displayShouldConsume) {
+            if (!this.$el.text().includes('/')) {
+                this.$input = this.$el;
+                this._addShouldConsume(this.should_consume_qty, true);
+            }
+            this._prepareInput(this.$input);
+        } else {
+            this._super.apply(this);
+        }
+    },
+    /**
+     * Resets the content to the formated value in readonly mode.
+     *
+     * @override
+     * @private
+     */
+    _renderReadonly: function () {
+        this.$el.text(this._formatValue(this.value));
+        if (this.displayShouldConsume) {
+            this._addShouldConsume(this.should_consume_qty);
+        }
+    },
+});
+
+fieldRegistry.add('mrp_should_consume', MrpShouldConsume);
+
+return {
+    MrpShouldConsume: MrpShouldConsume,
+};
+
+});