diff --git a/encoding/av1-break-even-calculator/index.html b/encoding/av1-break-even-calculator/index.html
index 93ed179f..085c13ed 100644
--- a/encoding/av1-break-even-calculator/index.html
+++ b/encoding/av1-break-even-calculator/index.html
@@ -152,7 +152,7 @@ <h3 class="my-3">Calculation multipliers</h3>
         <tr>
           <td>1</td>
           <td>2</td>
-          <td>10</td>
+          <td>4</td>
         </tr>
         <tr class="table-secondary">
           <th colspan="3">Efficiency improvements</th>
diff --git a/encoding/av1-break-even-calculator/js/av1-break-even-calculator.js b/encoding/av1-break-even-calculator/js/av1-break-even-calculator.js
index c22c0a7f..755ef9c0 100644
--- a/encoding/av1-break-even-calculator/js/av1-break-even-calculator.js
+++ b/encoding/av1-break-even-calculator/js/av1-break-even-calculator.js
@@ -58,7 +58,7 @@ $(function() {
     const multiplierStreamHd = 2;
     const multiplierStreamSd = 1;
     const multiplierTech3Pass = 2; // Multipass
-    const multiplierCodecAv1 = 10;
+    const multiplierCodecAv1 = 4;
     
     // streams/renditions
     const ingressCostPerGb = 0.00;