diff --git a/Tests/LibWeb/Layout/expected/block-and-inline/block-with-fit-content-width.txt b/Tests/LibWeb/Layout/expected/block-and-inline/block-with-fit-content-width.txt
new file mode 100644
index 00000000000..36f65eca775
--- /dev/null
+++ b/Tests/LibWeb/Layout/expected/block-and-inline/block-with-fit-content-width.txt
@@ -0,0 +1,10 @@
+Viewport <#document> at (0,0) content-size 800x600 children: not-inline
+ BlockContainer at (1,1) content-size 798x37.46875 [BFC] children: not-inline
+ BlockContainer
at (10,10) content-size 780x19.46875 children: not-inline
+ BlockContainer at (11,11) content-size 138.28125x17.46875 children: inline
+ line 0 width: 138.28125, height: 17.46875, bottom: 17.46875, baseline: 13.53125
+ frag 0 from TextNode start: 0, length: 18, rect: [11,11 138.28125x17.46875]
+ "Well hello friends"
+ TextNode <#text>
+ BlockContainer <(anonymous)> at (10,29.46875) content-size 780x0 children: inline
+ TextNode <#text>
diff --git a/Tests/LibWeb/Layout/input/block-and-inline/block-with-fit-content-width.html b/Tests/LibWeb/Layout/input/block-and-inline/block-with-fit-content-width.html
new file mode 100644
index 00000000000..9faaaa28981
--- /dev/null
+++ b/Tests/LibWeb/Layout/input/block-and-inline/block-with-fit-content-width.html
@@ -0,0 +1,8 @@
+Well hello friends
diff --git a/Userland/Libraries/LibWeb/Layout/FormattingContext.cpp b/Userland/Libraries/LibWeb/Layout/FormattingContext.cpp
index 638300eb23e..3a7cefe4577 100644
--- a/Userland/Libraries/LibWeb/Layout/FormattingContext.cpp
+++ b/Userland/Libraries/LibWeb/Layout/FormattingContext.cpp
@@ -1347,6 +1347,9 @@ CSS::Length FormattingContext::calculate_inner_width(Layout::Box const& box, Ava
if (width.is_auto()) {
return width.resolved(box, width_of_containing_block_as_length_for_resolve);
}
+ if (width.is_fit_content()) {
+ return CSS::Length::make_px(calculate_fit_content_width(box, AvailableSpace { available_width, AvailableSize::make_indefinite() }));
+ }
auto& computed_values = box.computed_values();
if (computed_values.box_sizing() == CSS::BoxSizing::BorderBox) {