diff --git a/app/Models/Depreciable.php b/app/Models/Depreciable.php
index ee12a6506a..b26215bc8f 100644
--- a/app/Models/Depreciable.php
+++ b/app/Models/Depreciable.php
@@ -60,6 +60,64 @@ class Depreciable extends SnipeModel
         return $current_value;
     }
 
+    /**
+     * @param onlyHalfFirstYear Boolean always applied only second half of the first year
+     * @return float|int
+     */
+    public function getHalfYearDepreciatedValue($onlyHalfFirstYear = false) 
+    {
+        // @link http://www.php.net/manual/en/class.dateinterval.php
+        $current_date = $this->getDateTime();
+        $purchase_date = date_create($this->purchase_date);
+        $currentYear = $this->get_fiscal_year( $current_date );
+        $purchaseYear = $this->get_fiscal_year( $purchase_date );
+        $yearsPast = $currentYear - $purchaseYear;
+        $deprecationYears = ceil($this->get_depreciation()->months / 12);
+        if( $onlyHalfFirstYear ) {
+            $yearsPast -= 0.5;
+        }
+        else {
+            if( !$this->is_first_half_of_year($purchase_date) ) {
+                $yearsPast -= 0.5;
+            }
+        }
+        if( !$this->is_first_half_of_year($current_date) ) {
+            $yearsPast += 0.5;
+        }
+
+        if($yearsPast >= $deprecationYears) {
+            $yearsPast = $deprecationYears;
+        }
+        else if($yearsPast < 0) {
+            $yearsPast = 0;
+        }
+        return $yearsPast / $deprecationYears * $this->purchase_cost;
+    }
+    
+    /**
+    * @param \DateTime $date
+    * @return int
+    */
+    protected function get_fiscal_year($date) {
+        $year = intval($date->format('Y'));
+        // also, maybe it'll have to set fiscal year date
+        if($date->format('nj') === '1231') {
+            return $year;
+        }
+        else {
+            return $year - 1;
+        }
+    }
+
+    /**
+    * @param \DateTime $date
+    * @return bool
+    */
+    protected function is_first_half_of_year($date) {
+        $date0m0d = intval($date->format('md'));
+        return ($date0m0d < 601) || ($date0m0d >= 1231);
+    }
+
     public function time_until_depreciated()
     {
         // @link http://www.php.net/manual/en/class.datetime.php
@@ -81,4 +139,10 @@ class Depreciable extends SnipeModel
         date_add($date, date_interval_create_from_date_string($this->get_depreciation()->months . ' months'));
         return $date; //date_format($date, 'Y-m-d'); //don't bake-in format, for internationalization
     }
+
+    // it's necessary for unit tests
+    protected function getDateTime($time = null) 
+    {
+        return new \DateTime($time);
+    }
 }