diff --git a/src/CanBeBought.php b/src/CanBeBought.php
index eb9810f..d3e52cc 100644
--- a/src/CanBeBought.php
+++ b/src/CanBeBought.php
@@ -54,4 +54,16 @@ trait CanBeBought
 
         return 0;
     }
+
+    /**
+     * Get the taxRate of the Buyable item.
+     */
+    public function getBuyableTaxRate(CartItemOptions $options): float
+    {
+        if (($taxRate = $this->getAttribute('taxRate'))) {
+            return $taxRate;
+        }
+
+        return config('cart.tax', 0.21);
+    }
 }
diff --git a/src/Contracts/Buyable.php b/src/Contracts/Buyable.php
index 675e378..3ebdb24 100644
--- a/src/Contracts/Buyable.php
+++ b/src/Contracts/Buyable.php
@@ -28,4 +28,9 @@ interface Buyable
      * Get the weight of the Buyable item.
      */
     public function getBuyableWeight(CartItemOptions $options): int;
+
+    /**
+     * Get the taxRate of the Buyable item.
+     */
+    public function getBuyableTaxRate(CartItemOptions $options): float;
 }
diff --git a/tests/Fixtures/BuyableProduct.php b/tests/Fixtures/BuyableProduct.php
index 9265aab..18de007 100644
--- a/tests/Fixtures/BuyableProduct.php
+++ b/tests/Fixtures/BuyableProduct.php
@@ -68,4 +68,9 @@ class BuyableProduct extends Model implements Buyable
     {
         return $this->weight;
     }
+
+    public function getBuyableTaxRate(CartItemOptions $options): float
+    {
+        return $this->tax_rate;
+    }
 }