diff --git a/app/Classes/Modules/Transactions/ControllersLogic/ShippingEstimationCalculatorLogic.php b/app/Classes/Modules/Transactions/ControllersLogic/ShippingEstimationCalculatorLogic.php
new file mode 100644
index 00000000..753704a0
--- /dev/null
+++ b/app/Classes/Modules/Transactions/ControllersLogic/ShippingEstimationCalculatorLogic.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace App\Classes\Modules\Transactions\ControllersLogic;
+
+use App\Classes\General\Abstracts\AbstractControllerLogic;
+use App\Classes\Modules\SegmentConstants\Services\FetchesSegmentConstant;
+use App\Classes\ValueObjects\Constants\SegmentConstants;
+
+use App\Models\District;
+use Carbon\Carbon;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use App\Classes\General\Helper;
+
+class ShippingEstimationCalculatorLogic extends AbstractControllerLogic
+{
+
+    /** @var FetchesSegmentConstant */
+    private $fetchesSegmentConstant;
+
+    /**
+     * @return array
+     */
+    protected function notification():array {
+        return [
+            'title' => 'Shipping estimation',
+            'message' => 'You have successfully calculate the Shipping Estimation'
+        ];
+    }
+
+    public function __construct(
+        FetchesSegmentConstant $fetchesSegmentConstant
+    ){
+        $this->fetchesSegmentConstant = $fetchesSegmentConstant;
+    }
+
+    public function logic(Request $request) : JsonResponse
+    {
+        $base_price =  $warehouse_rate =  $state_rate = 0;
+
+        $width = $request->input('width') / 100;    // metre
+        $length = $request->input('length') / 100;  // metre
+        $height = $request->input('height') / 100;  // metre
+
+        $cbm = (float) ($width * $length * $height);
+
+        // calculate base price
+        $base_prices = $this->getSegmentConstantData(SegmentConstants::BASE_PRICE);
+        $base_price  = $this->getConstantDataUsingKey($base_prices, date('Y-m-d'));  
+
+        // calculate warehouse rate
+        $warehouse_prices = $this->getSegmentConstantData(SegmentConstants::WAREHOUSE_RATE);
+        $warehouse_rate  = $this->getConstantDataUsingKey($warehouse_prices, $request->input('warehouse_id'), 'amount'); 
+
+        // calculate applied state rate
+        $state_prices = $this->getSegmentConstantData(SegmentConstants::STATE_RATE);
+        $outstation_postcodes = $this->getSegmentConstantData(SegmentConstants::OUTSTATION_POSTCODE);
+
+        $district = District::where('postcode','LIKE','%'.$request->input('postcode').'%')->first();
+        if(array_search($request->input('postcode'), $outstation_postcodes)!==false){
+            $state_rate = $this->getConstantDataUsingKey($state_prices, $district->state_id, 'outstation'); 
+        }
+
+        $price_cbm = $base_price + $warehouse_rate + $state_rate;
+        $total_price_cbm = $price_cbm * $cbm;
+
+        return $this->response([
+            'cbm' => $cbm,  'base_price' => $base_price, 'warehouse_rate' => $warehouse_rate,
+            'state_rate' => $state_rate, 'total_price_cbm' => $total_price_cbm
+        ]);
+    }
+
+    private function getConstantDataUsingKey($data, $search_key, $field='')
+    {
+        if(array_key_exists($search_key, $data) !== true) {
+            return 0;
+        } else {
+            if($field!=''){
+                return $data[$search_key]->$field;
+            } else {
+                return $data[$search_key];
+            }
+        }
+    }
+
+    private function getSegmentConstantData($reference)
+    {
+        $data = $this->fetchesSegmentConstant->execute(['segment_id' => 1, 'reference' => $reference]);
+        return (array) $data->value;
+    }
+
+}
diff --git a/app/Http/Controllers/Transactions/ShippingEstimationCalculatorController.php b/app/Http/Controllers/Transactions/ShippingEstimationCalculatorController.php
new file mode 100644
index 00000000..d83a49b6
--- /dev/null
+++ b/app/Http/Controllers/Transactions/ShippingEstimationCalculatorController.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Controllers\Transactions;
+
+use App\Classes\Modules\Transactions\ControllersLogic\ShippingEstimationCalculatorLogic;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ShippingEstimationCalculatorController
+{
+    /**
+     * @param Request $request
+     * @param ShippingEstimationCalculatorLogic $logic
+     * @return JsonResponse
+     */
+    public function calculate(Request $request, ShippingEstimationCalculatorLogic $logic): JsonResponse
+    {
+        return $logic->execute($request);
+    }
+}
diff --git a/routes/transaction.php b/routes/transaction.php
index c3e1b2f2..e5a64bc2 100644
--- a/routes/transaction.php
+++ b/routes/transaction.php
@@ -14,6 +14,8 @@ Route::group(['prefix' => 'transactions', 'namespace' => 'Transactions', 'as' =>
 
     route::post('/shipping-invoice/create', 'CreateShippingInvoiceTransactionController@create')->name('supplier.create');
 
+    route::post('/shipping-invoice/calculator', 'ShippingEstimationCalculatorController@calculate')->name('shipping.estimation.calculator');
+
     // Route::group(['prefix' => '{id}/payment', 'as' => 'payment.'], function () {
     //     Route::post('quotation', 'FetchBookingPaymentQuotationController@fetch')->name('quotation');
     //     Route::post('create', 'CreateBookingPaymentController@create')->name('create');