diff --git a/core/lib/Drupal/Core/Field/FormatterBase.php b/core/lib/Drupal/Core/Field/FormatterBase.php
index a6c8cc8..4c82458 100644
--- a/core/lib/Drupal/Core/Field/FormatterBase.php
+++ b/core/lib/Drupal/Core/Field/FormatterBase.php
@@ -63,7 +63,7 @@
    * @param array $third_party_settings
    *   Any third party settings.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings) {
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode = '') {
     parent::__construct(array(), $plugin_id, $plugin_definition);
 
     $this->fieldDefinition = $field_definition;
@@ -71,6 +71,7 @@ public function __construct($plugin_id, $plugin_definition, FieldDefinitionInter
     $this->label = $label;
     $this->viewMode = $view_mode;
     $this->thirdPartySettings = $third_party_settings;
+    $this->settingsLangcode = $settings_langcode;
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Field/FormatterPluginManager.php b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
index e6054a9..d4ef14d 100644
--- a/core/lib/Drupal/Core/Field/FormatterPluginManager.php
+++ b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
@@ -69,7 +69,7 @@ public function createInstance($plugin_id, array $configuration = array()) {
       return $plugin_class::create(\Drupal::getContainer(), $configuration, $plugin_id, $plugin_definition);
     }
 
-    return new $plugin_class($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings']);
+    return new $plugin_class($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings'], $configuration['settings_language']);
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
index 0c8cfeb..f97d0a7 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
@@ -65,11 +65,10 @@ public function settingsForm(array $form, FormStateInterface $form_state) {
       '#default_value' => $this->getSetting('format_plural'),
     );
     $plural_array = explode(LOCALE_PLURAL_DELIMITER, $this->getSetting('format_plural_string'));
-    // @todo get langcode of this formatter config to use for configuration.
     $elements['format_plural_values'] = array(
       '#after_build' => [[get_class($this), 'formatPluralValuesAfterBuild']],
     );
-    $plurals = $this->getNumberOfPlurals();
+    $plurals = $this->getNumberOfPlurals($this->settingsLangcode);
     for ($i = 0; $i < $plurals; $i++) {
       $elements['format_plural_values'][$i] = array(
         '#type' => 'textfield',
diff --git a/core/modules/field_ui/src/Form/EntityDisplayFormBase.php b/core/modules/field_ui/src/Form/EntityDisplayFormBase.php
index c982167..eee2401 100644
--- a/core/modules/field_ui/src/Form/EntityDisplayFormBase.php
+++ b/core/modules/field_ui/src/Form/EntityDisplayFormBase.php
@@ -345,6 +345,9 @@ protected function buildFieldRow(FieldDefinitionInterface $field_definition, arr
       $display_options['third_party_settings'] = $plugin_settings[$field_name]['third_party_settings'];
     }
 
+    // Carry the language to the plugin.
+    $display_options['settings_language'] = $this->entity->get('langcode');
+
     // Get the corresponding plugin object.
     $plugin = $this->getPlugin($field_definition, $display_options);