diff --git a/runelite-api/src/main/java/net/runelite/api/Constants.java b/runelite-api/src/main/java/net/runelite/api/Constants.java
new file mode 100644
index 0000000000..9dd6844e5c
--- /dev/null
+++ b/runelite-api/src/main/java/net/runelite/api/Constants.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018, Lotto <https://github.com/devLotto>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.api;
+
+import java.awt.Dimension;
+
+public class Constants
+{
+	public static final int GAME_FIXED_WIDTH = 765;
+	public static final int GAME_FIXED_HEIGHT = 503;
+	public static final Dimension GAME_FIXED_SIZE = new Dimension(GAME_FIXED_WIDTH, GAME_FIXED_HEIGHT);
+	public static final double GAME_FIXED_ASPECT_RATIO = (double) GAME_FIXED_WIDTH / (double) GAME_FIXED_HEIGHT;
+}
diff --git a/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java b/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java
index 471570c193..deb2acaed8 100644
--- a/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java
+++ b/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java
@@ -25,6 +25,7 @@
 package net.runelite.client.config;
 
 import java.awt.Dimension;
+import net.runelite.api.Constants;
 
 @ConfigGroup(
 	keyName = "runelite",
@@ -40,7 +41,7 @@ public interface RuneLiteConfig extends Config
 	)
 	default Dimension gameSize()
 	{
-		return new Dimension(765, 503);
+		return Constants.GAME_FIXED_SIZE;
 	}
 
 	@ConfigItem(
diff --git a/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java b/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java
index 92336b67ba..da2b287a34 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/ClientPanel.java
@@ -27,22 +27,20 @@ package net.runelite.client.ui;
 import java.applet.Applet;
 import java.awt.BorderLayout;
 import java.awt.Color;
-import java.awt.Dimension;
 import javax.annotation.Nullable;
 import javax.swing.JPanel;
 import lombok.extern.slf4j.Slf4j;
 import net.runelite.api.Client;
+import net.runelite.api.Constants;
 
 @Slf4j
 final class ClientPanel extends JPanel
 {
-	public static final int PANEL_WIDTH = 765, PANEL_HEIGHT = 503;
-
 	public ClientPanel(@Nullable Applet client)
 	{
-		setSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
-		setMinimumSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
-		setPreferredSize(new Dimension(PANEL_WIDTH, PANEL_HEIGHT));
+		setSize(Constants.GAME_FIXED_SIZE);
+		setMinimumSize(Constants.GAME_FIXED_SIZE);
+		setPreferredSize(Constants.GAME_FIXED_SIZE);
 		setLayout(new BorderLayout());
 		setBackground(Color.black);
 
@@ -52,7 +50,7 @@ final class ClientPanel extends JPanel
 		}
 
 		client.setLayout(null);
-		client.setSize(PANEL_WIDTH, PANEL_HEIGHT);
+		client.setSize(Constants.GAME_FIXED_SIZE);
 
 		client.init();
 		client.start();