diff --git a/custom_cards/custom_card_apexcharts/README.md b/custom_cards/custom_card_apexcharts/README.md
index ce171db24..5a9fe6440 100644
--- a/custom_cards/custom_card_apexcharts/README.md
+++ b/custom_cards/custom_card_apexcharts/README.md
@@ -112,6 +112,12 @@ Integration from HACS: "custom:apexcharts-card" from RomRider
 <td>no</td>
 <td>Maximum value of the sensor. Default will be 100</td>
 </tr>
+<tr>
+<td>transform</td>
+<td>`return x * 100;`</td>
+<td>no</td>
+<td>A custom JS function to run on your data before render. See Apex docs for more details</td>
+</tr>
 </table>
 
 ??? note "Template Code"
diff --git a/custom_cards/custom_card_apexcharts/apexcharts.yaml b/custom_cards/custom_card_apexcharts/apexcharts.yaml
index 1fc9f0b4d..bc8e9976a 100644
--- a/custom_cards/custom_card_apexcharts/apexcharts.yaml
+++ b/custom_cards/custom_card_apexcharts/apexcharts.yaml
@@ -168,11 +168,14 @@ custom_card_apexcharts:
             name: "[[[ return variables.entity_1_name ]]]"
             color: "[[[ return `var(--google-${variables.entity_1.color})`;]]]"
             max: "[[[ return variables.entity_1.max_value ]]]"
+            transform: "[[[ return variables.entity_1.transform ]]]"
           - entity: "[[[ return variables.entity_2.entity_id ]]]"
             name: "[[[ return variables.entity_2_name ]]]"
             color: "[[[ return `var(--google-${variables.entity_2.color})`;]]]"
             max: "[[[ return variables.entity_2.max_value ]]]"
+            transform: "[[[ return variables.entity_2.transform ]]]"
           - entity: "[[[ return variables.entity_3.entity_id ]]]"
             name: "[[[ return variables.entity_3_name ]]]"
             color: "[[[ return `var(--google-${variables.entity_3.color})`;]]]"
             max: "[[[ return variables.entity_3.max_value ]]]"
+            transform: "[[[ return variables.entity_3.transform ]]]"