diff --git a/packages/main/src/themes/TextArea.css b/packages/main/src/themes/TextArea.css
index 3f574438136c..adb5f1d7248c 100644
--- a/packages/main/src/themes/TextArea.css
+++ b/packages/main/src/themes/TextArea.css
@@ -140,7 +140,7 @@
 :host([growing]) .ui5-textarea-inner {
 	box-sizing: border-box;
 	height: calc(100% - (2 * var(--_ui5_textarea_wrapper_padding)));
-	width: calc(100% - (2 * var(--_ui5_textarea_wrapper_padding)));
+	width: var(--_ui5_textarea_inner_width, calc(100% - (2 * var(--_ui5_textarea_wrapper_padding))));
 	position: absolute;
 }
 
diff --git a/packages/main/src/themes/base/TextArea-parameters.css b/packages/main/src/themes/base/TextArea-parameters.css
index 534a5e5017d6..ce3f11c15cbb 100644
--- a/packages/main/src/themes/base/TextArea-parameters.css
+++ b/packages/main/src/themes/base/TextArea-parameters.css
@@ -27,6 +27,7 @@
 	--_ui5_textarea_success_wrapper_padding: 0;
 	--_ui5_textarea_warning_error_wrapper_padding: 0;
 	--_ui5_textarea_information_wrapper_padding: 0;
+	--_ui5_textarea_inner_width: 100%;
 	--_ui5_textarea_padding_right_and_left: 0.5625rem;
 	--_ui5_textarea_padding_right_and_left_error_warning: 0.5rem;
 	--_ui5_textarea_padding_right_and_left_information: 0.5rem;
diff --git a/packages/main/src/themes/sap_fiori_3_hcb/TextArea-parameters.css b/packages/main/src/themes/sap_fiori_3_hcb/TextArea-parameters.css
index 992c1dd0b5dd..28b51a3ceef4 100644
--- a/packages/main/src/themes/sap_fiori_3_hcb/TextArea-parameters.css
+++ b/packages/main/src/themes/sap_fiori_3_hcb/TextArea-parameters.css
@@ -19,6 +19,7 @@
 	--_ui5_textarea_padding_right_and_left: 0.5rem;
 	--_ui5_textarea_padding_right_and_left_information: 0.5625rem;
 	--_ui5_textarea_padding_right_and_left_readonly: 0.5rem;
+	--_ui5_textarea_inner_width: 100%;
 }
 
 [data-ui5-compact-size],
diff --git a/packages/main/src/themes/sap_fiori_3_hcw/TextArea-parameters.css b/packages/main/src/themes/sap_fiori_3_hcw/TextArea-parameters.css
index 82ac1922e641..2b7d1e347381 100644
--- a/packages/main/src/themes/sap_fiori_3_hcw/TextArea-parameters.css
+++ b/packages/main/src/themes/sap_fiori_3_hcw/TextArea-parameters.css
@@ -19,6 +19,7 @@
 	--_ui5_textarea_padding_right_and_left: 0.5rem;
 	--_ui5_textarea_padding_right_and_left_information: 0.5625rem;
 	--_ui5_textarea_padding_right_and_left_readonly: 0.5rem;
+	--_ui5_textarea_inner_width: 100%;
 }
 
 [data-ui5-compact-size],
diff --git a/packages/main/src/themes/sap_horizon/TextArea-parameters.css b/packages/main/src/themes/sap_horizon/TextArea-parameters.css
index ad8fdd6163a1..c71e7000e1ca 100644
--- a/packages/main/src/themes/sap_horizon/TextArea-parameters.css
+++ b/packages/main/src/themes/sap_horizon/TextArea-parameters.css
@@ -20,6 +20,7 @@
 	--_ui5_textarea_success_wrapper_padding: 0.0625rem;
 	--_ui5_textarea_warning_error_wrapper_padding:  0.0625rem 0.0625rem 0.125rem 0.0625rem;
 	--_ui5_textarea_information_wrapper_padding: 0.0625rem 0.0625rem 0.125rem 0.0625rem;
+	--_ui5_textarea_inner_width: calc(100% - (2 * var(--_ui5_textarea_wrapper_padding)));
 	--_ui5_textarea_padding_top: 0.5rem;
 	--_ui5_textarea_padding_bottom: 0.4375rem;
 	--_ui5_textarea_padding_bottom_readonly: 0.375rem;
diff --git a/packages/main/src/themes/sap_horizon_dark/TextArea-parameters.css b/packages/main/src/themes/sap_horizon_dark/TextArea-parameters.css
index 54a9d2b519d0..00169222898a 100644
--- a/packages/main/src/themes/sap_horizon_dark/TextArea-parameters.css
+++ b/packages/main/src/themes/sap_horizon_dark/TextArea-parameters.css
@@ -20,6 +20,7 @@
 	--_ui5_textarea_success_wrapper_padding: 0.0625rem;
 	--_ui5_textarea_warning_error_wrapper_padding:  0.0625rem 0.0625rem 0.125rem 0.0625rem;
 	--_ui5_textarea_information_wrapper_padding: 0.0625rem 0.0625rem 0.125rem 0.0625rem;
+	--_ui5_textarea_inner_width: calc(100% - (2 * var(--_ui5_textarea_wrapper_padding)));
 	--_ui5_textarea_padding_top: 0.5rem;
 	--_ui5_textarea_padding_bottom: 0.4375rem;
 	--_ui5_textarea_padding_bottom_readonly: 0.375rem;
diff --git a/packages/main/src/themes/sap_horizon_hcb/TextArea-parameters.css b/packages/main/src/themes/sap_horizon_hcb/TextArea-parameters.css
index 945d80906452..e8df3ac6501e 100644
--- a/packages/main/src/themes/sap_horizon_hcb/TextArea-parameters.css
+++ b/packages/main/src/themes/sap_horizon_hcb/TextArea-parameters.css
@@ -23,6 +23,7 @@
 	--_ui5_textarea_padding_right_and_left: 0.5rem;
 	--_ui5_textarea_padding_right_and_left_information: 0.5625rem;
 	--_ui5_textarea_padding_right_and_left_readonly: 0.5rem;
+	--_ui5_textarea_inner_width: 100%;
 }
 
 [data-ui5-compact-size],
diff --git a/packages/main/src/themes/sap_horizon_hcw/TextArea-parameters.css b/packages/main/src/themes/sap_horizon_hcw/TextArea-parameters.css
index 7d8abf39bf0c..7d6ec018ca49 100644
--- a/packages/main/src/themes/sap_horizon_hcw/TextArea-parameters.css
+++ b/packages/main/src/themes/sap_horizon_hcw/TextArea-parameters.css
@@ -23,6 +23,7 @@
 	--_ui5_textarea_padding_right_and_left: 0.5rem;
 	--_ui5_textarea_padding_right_and_left_information: 0.5625rem;
 	--_ui5_textarea_padding_right_and_left_readonly: 0.5rem;
+	--_ui5_textarea_inner_width: 100%;
 }
 
 [data-ui5-compact-size],