diff --git a/Projects/1-Beginner/Border-Radius-Previewer.md b/Projects/1-Beginner/Border-Radius-Previewer.md
index 2e925045..a2aabb31 100644
--- a/Projects/1-Beginner/Border-Radius-Previewer.md
+++ b/Projects/1-Beginner/Border-Radius-Previewer.md
@@ -24,3 +24,4 @@ The border-radius property can have multiple values changed. Preview how the sha
 -   [9elements Fancy Border Radius](https://9elements.github.io/fancy-border-radius/)
 -   [Border Radius](https://border-radius.com/)
 -   [CSS Gradient Border](https://codepen.io/thebabydino/pen/zbqPVd)
+-   [Border radius calculator](https://simooooone.github.io/border-radius)