diff --git a/src/Resources/GPU/GPUAmd.vala b/src/Resources/GPU/GPUAmd.vala
index c57667df..667ab300 100644
--- a/src/Resources/GPU/GPUAmd.vala
+++ b/src/Resources/GPU/GPUAmd.vala
@@ -1,5 +1,5 @@
 public class Monitor.GPUAmd : IGPU, Object {
-    public SessionManager? session_manager { get; protected set; }
+    public SessionManager ? session_manager { get; protected set; }
 
     public Gee.HashMap<string, HwmonTemperature> hwmon_temperatures { get; set; }
 
@@ -9,12 +9,14 @@ public class Monitor.GPUAmd : IGPU, Object {
 
     public int memory_percentage { get; protected set; }
 
-    public int memory_vram_used { get; protected set; }
+    public double memory_vram_used { get; protected set; }
+
+    public double memory_vram_total { get; set; }
 
     public double temperature { get; protected set; }
 
     construct {
-        //  session_manager = get_sessman ();
+        // session_manager = get_sessman ();
     }
 
     private void update_temperature () {
@@ -22,11 +24,15 @@ public class Monitor.GPUAmd : IGPU, Object {
     }
 
     private void update_memory_vram_used () {
-        memory_vram_used = int.parse (get_sysfs_value ("/sys/class/drm/card0/device/mem_info_vram_used"));
+        memory_vram_used = double.parse (get_sysfs_value ("/sys/class/drm/card0/device/mem_info_vram_used"));
+    }
+
+    private void update_memory_vram_total () {
+        memory_vram_total = double.parse (get_sysfs_value ("/sys/class/drm/card0/device/mem_info_vram_total"));;
     }
 
     private void update_memory_percentage () {
-        memory_percentage = int.parse (get_sysfs_value ("/sys/class/drm/card0/device/mem_busy_percent"));
+        memory_percentage = (int) (Math.round ((memory_vram_used / memory_vram_total) * 100));
     }
 
     private void update_percentage () {
@@ -36,7 +42,9 @@ public class Monitor.GPUAmd : IGPU, Object {
     public void update () {
         update_temperature ();
         update_memory_vram_used ();
+        update_memory_vram_total ();
         update_memory_percentage ();
         update_percentage ();
     }
+
 }
diff --git a/src/Resources/GPU/GPUNvidia.vala b/src/Resources/GPU/GPUNvidia.vala
index 66afe19b..1074d6a4 100644
--- a/src/Resources/GPU/GPUNvidia.vala
+++ b/src/Resources/GPU/GPUNvidia.vala
@@ -1,5 +1,5 @@
 public class Monitor.GPUNvidia : IGPU, Object {
-    public SessionManager? session_manager { get; protected set; }
+    public SessionManager ? session_manager { get; protected set; }
 
     public Gee.HashMap<string, HwmonTemperature> hwmon_temperatures { get; set; }
 
@@ -9,7 +9,9 @@ public class Monitor.GPUNvidia : IGPU, Object {
 
     public int memory_percentage { get; protected set; }
 
-    public int memory_vram_used { get; protected set; }
+    public double memory_vram_used { get; protected set; }
+
+    public double memory_vram_total { get; set; }
 
     public double temperature { get; protected set; }
 
@@ -21,7 +23,7 @@ public class Monitor.GPUNvidia : IGPU, Object {
 
     public int nvidia_percentage = 0;
 
-    public char *nvidia_used = "";
+    public char * nvidia_used = "";
 
     public bool nvidia_resources_temperature;
 
@@ -32,7 +34,7 @@ public class Monitor.GPUNvidia : IGPU, Object {
     public X.Display nvidia_display;
 
     construct {
-        //  session_manager = get_sessman ();
+        // session_manager = get_sessman ();
         nvidia_display = new X.Display ();
     }
 
@@ -43,7 +45,7 @@ public class Monitor.GPUNvidia : IGPU, Object {
             0,
             NV_CTRL_GPU_CORE_TEMPERATURE,
             &nvidia_temperature
-        );
+            );
 
         if (!nvidia_resources_temperature) {
             warning ("Could not query NV_CTRL_GPU_CORE_TEMPERATURE attribute!\n");
@@ -57,11 +59,11 @@ public class Monitor.GPUNvidia : IGPU, Object {
             0,
             NV_CTRL_USED_DEDICATED_GPU_MEMORY,
             &nvidia_memory_vram_used
-        );
+            );
 
         if (!nvidia_resources_vram_used) {
             warning ("Could not query NV_CTRL_USED_DEDICATED_GPU_MEMORY attribute!\n");
-            return ;
+            return;
         }
 
         nvidia_resources_used = NVCtrl.XNVCTRLQueryTargetStringAttribute (
@@ -71,28 +73,39 @@ public class Monitor.GPUNvidia : IGPU, Object {
             0,
             NV_CTRL_STRING_GPU_UTILIZATION,
             &nvidia_used
-        );
+            );
 
         // var str_used = (string)nvidia_used;
-        nvidia_percentage = int.parse (((string)nvidia_used).split_set ("=,")[1]);
-        nvidia_memory_percentage = int.parse (((string)nvidia_used).split_set ("=,")[3]);
+        nvidia_percentage = int.parse (((string) nvidia_used).split_set ("=,")[1]);
+        nvidia_memory_percentage = int.parse (((string) nvidia_used).split_set ("=,")[3]);
         debug ("USED_GRAPHICS: %d%\n", nvidia_percentage);
         debug ("USED_MEMORY: %d%\n", nvidia_memory_percentage);
 
         if (!nvidia_resources_used) {
             warning ("Could not query NV_CTRL_STRING_GPU_UTILIZATION attribute!\n");
-            return ;
+            return;
         }
 
     }
 
-    private void update_temperature () { temperature = nvidia_temperature; }
+    private void update_temperature () {
+        temperature = nvidia_temperature;
+    }
+
+    private void update_memory_vram_used () {
+        memory_vram_used = (double) nvidia_memory_vram_used;
+    }
 
-    private void update_memory_vram_used () { memory_vram_used = nvidia_memory_vram_used; }
+    private void update_memory_vram_total () {
+    }
 
-    private void update_memory_percentage () { memory_percentage = nvidia_memory_percentage; }
+    private void update_memory_percentage () {
+        memory_percentage = nvidia_memory_percentage;
+    }
 
-    private void update_percentage () { percentage = nvidia_percentage; }
+    private void update_percentage () {
+        percentage = nvidia_percentage;
+    }
 
     public void update () {
         update_nv_resources ();
@@ -101,4 +114,5 @@ public class Monitor.GPUNvidia : IGPU, Object {
         update_memory_percentage ();
         update_percentage ();
     }
+
 }
diff --git a/src/Resources/GPU/IGPU.vala b/src/Resources/GPU/IGPU.vala
index d15abce5..82abe02a 100644
--- a/src/Resources/GPU/IGPU.vala
+++ b/src/Resources/GPU/IGPU.vala
@@ -1,5 +1,5 @@
 public interface Monitor.IGPU : Object {
-    public abstract SessionManager? session_manager { get; public set; }
+    public abstract SessionManager ? session_manager { get; public set; }
 
     public abstract Gee.HashMap<string, HwmonTemperature> hwmon_temperatures { get; set; }
 
@@ -15,7 +15,9 @@ public interface Monitor.IGPU : Object {
 
     public abstract int memory_percentage { get; protected set; }
 
-    public abstract int memory_vram_used { get; protected set; }
+    public abstract double memory_vram_used { get; protected set; }
+
+    public abstract double memory_vram_total { get; protected set; }
 
     public abstract double temperature { get; protected set; }
 
@@ -23,6 +25,8 @@ public interface Monitor.IGPU : Object {
 
     public abstract void update_memory_vram_used ();
 
+    public abstract void update_memory_vram_total ();
+
     public abstract void update_memory_percentage ();
 
     public abstract void update_percentage ();
@@ -40,4 +44,5 @@ public interface Monitor.IGPU : Object {
         }
         return content;
     }
+
 }