diff --git a/docs/utilities/sizing-and-positioning.md b/docs/utilities/sizing-and-positioning.md
index 670b6f188b..9e3f35ca1b 100644
--- a/docs/utilities/sizing-and-positioning.md
+++ b/docs/utilities/sizing-and-positioning.md
@@ -21,15 +21,21 @@ The `.pos-f-t` class can be used to easily position elements at the top of the v
## Width and height
-Easily make an element as wide or as tall as its parent using the `.w-100` and `.h-100` utility classes.
+Easily make an element as wide or as tall (relative to its parent) our width and height utilities. Includes support for `25%`, `50%`, `75%`, and `100%`.
{% example html %}
-
+
Width 25%
+Width 50%
+Width 75%
+Width 100%
{% endexample %}
{% example html %}
-
Full height
+
Height 25%
+
Height 50%
+
Height 75%
+
Height 100%
{% endexample %}
diff --git a/scss/utilities/_spacing.scss b/scss/utilities/_spacing.scss
index a8d8e0afb5..9e1802c47c 100644
--- a/scss/utilities/_spacing.scss
+++ b/scss/utilities/_spacing.scss
@@ -1,6 +1,13 @@
// Width and height
+.w-25 { width: 25% !important; }
+.w-50 { width: 50% !important; }
+.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
+
+.h-25 { height: 25% !important; }
+.h-50 { height: 50% !important; }
+.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }
.mw-100 { max-width: 100% !important; }