diff --git a/addons/sale_project/static/src/components/project_right_side_panel/components/project_milestone.xml b/addons/sale_project/static/src/components/project_right_side_panel/components/project_milestone.xml
index 8bdca8888cf..29d08145683 100644
--- a/addons/sale_project/static/src/components/project_right_side_panel/components/project_milestone.xml
+++ b/addons/sale_project/static/src/components/project_right_side_panel/components/project_milestone.xml
@@ -5,13 +5,13 @@
             <span>
                 <t t-esc="milestone.name"/>
                 <span t-if="milestone.allow_billable &amp;&amp; milestone.quantity_percentage &amp;&amp; !milestone.sale_line_name" class="fst-italic text-muted">
-                    (<t t-esc="100 * milestone.quantity_percentage"/>%)
+                    (<t t-esc="(100 * milestone.quantity_percentage).toFixed(2)"/>%)
                 </span>
             </span>
             <span t-if="milestone.allow_billable" t-attf-class="fst-italic {{state.colorClass || 'text-muted'}}">
                 <t t-if="milestone.sale_line_name" t-esc="milestone.sale_line_name"/>
                 <span t-if="milestone.quantity_percentage &amp;&amp; milestone.sale_line_name">
-                    (<t t-esc="100 * milestone.quantity_percentage"/>%)
+                    (<t t-esc="(100 * milestone.quantity_percentage).toFixed(2)"/>%)
                 </span>
            </span>
         </xpath>