diff --git a/Libraries/LibFileSystem/FileSystem.cpp b/Libraries/LibFileSystem/FileSystem.cpp
index d860e6007d..b3ca9dcddf 100644
--- a/Libraries/LibFileSystem/FileSystem.cpp
+++ b/Libraries/LibFileSystem/FileSystem.cpp
@@ -11,12 +11,16 @@
 #include <LibCore/System.h>
 #include <LibFileSystem/FileSystem.h>
 
-#if !defined(AK_OS_IOS) && defined(AK_OS_BSD_GENERIC)
-#    include <sys/disk.h>
-#elif defined(AK_OS_LINUX)
-#    include <linux/fs.h>
-#elif defined(AK_OS_WINDOWS)
+#if defined(AK_OS_WINDOWS)
 #    include <windows.h>
+#else
+#    include <sys/statvfs.h>
+
+#    if !defined(AK_OS_IOS) && defined(AK_OS_BSD_GENERIC)
+#        include <sys/disk.h>
+#    elif defined(AK_OS_LINUX)
+#        include <linux/fs.h>
+#    endif
 #endif
 
 // On Linux distros that use glibc `basename` is defined as a macro that expands to `__xpg_basename`, so we undefine it
@@ -363,4 +367,30 @@ ErrorOr<off_t> size_from_fstat(int fd)
     return st.st_size;
 }
 
+ErrorOr<DiskSpace> compute_disk_space(LexicalPath const& path)
+{
+#if defined(AK_OS_WINDOWS)
+    ULARGE_INTEGER free_bytes;
+    ULARGE_INTEGER total_bytes;
+
+    if (!GetDiskFreeSpaceExA(path.string().characters(), &free_bytes, &total_bytes, nullptr))
+        return Error::from_windows_error();
+
+    return DiskSpace {
+        .free_bytes = free_bytes.QuadPart,
+        .total_bytes = total_bytes.QuadPart,
+    };
+#else
+    struct statvfs stats {};
+
+    if (::statvfs(path.string().characters(), &stats) != 0)
+        return Error::from_syscall("statvfs"sv, errno);
+
+    return DiskSpace {
+        .free_bytes = stats.f_bavail * stats.f_frsize,
+        .total_bytes = stats.f_blocks * stats.f_frsize,
+    };
+#endif
+}
+
 }
diff --git a/Libraries/LibFileSystem/FileSystem.h b/Libraries/LibFileSystem/FileSystem.h
index 0ad84cd4c6..3e0074b74c 100644
--- a/Libraries/LibFileSystem/FileSystem.h
+++ b/Libraries/LibFileSystem/FileSystem.h
@@ -9,6 +9,7 @@
 
 #include <AK/ByteString.h>
 #include <AK/Error.h>
+#include <AK/LexicalPath.h>
 #include <AK/StringView.h>
 #include <LibCore/File.h>
 
@@ -65,4 +66,10 @@ ErrorOr<off_t> size_from_stat(StringView path);
 ErrorOr<off_t> size_from_fstat(int fd);
 bool can_delete_or_move(StringView path);
 
+struct DiskSpace {
+    u64 free_bytes { 0 };
+    u64 total_bytes { 0 };
+};
+ErrorOr<DiskSpace> compute_disk_space(LexicalPath const&);
+
 }