diff --git a/README.md b/README.md
index 0bb725b5c..c77e9c5c8 100644
--- a/README.md
+++ b/README.md
@@ -61,3 +61,11 @@ cargo test -p wgpu -- <name-of-test>
 ```
 
 If you are a user and want a way to help contribute to wgpu, we always need more help writing test cases. 
+
+## Coordinate Systems
+
+wgpu uses the coordinate systems of DX and Metal:
+
+Render | Depth | Texture
+-------|-------|--------
+![render_coordinates](./etc/render_coordinates.png) | ![depth_coordinates](./etc/depth_coordinates.png) | ![texture_coordinates](./etc/texture_coordinates.png)
diff --git a/etc/depth_coordinates.png b/etc/depth_coordinates.png
new file mode 100644
index 000000000..07109f5f4
Binary files /dev/null and b/etc/depth_coordinates.png differ
diff --git a/etc/render_coordinates.png b/etc/render_coordinates.png
new file mode 100644
index 000000000..300a3587f
Binary files /dev/null and b/etc/render_coordinates.png differ
diff --git a/etc/texture_coordinates.png b/etc/texture_coordinates.png
new file mode 100644
index 000000000..3470837bf
Binary files /dev/null and b/etc/texture_coordinates.png differ