diff --git a/config.def.h b/config.def.h
index 9efa774..24d44e0 100644
--- a/config.def.h
+++ b/config.def.h
@@ -39,6 +39,7 @@ static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen win
 
 static const Layout layouts[] = {
 	/* symbol     arrange function */
+	{ "III",      horizontal },
 	{ "[]=",      tile },    /* first entry is default */
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
diff --git a/dwm.c b/dwm.c
index f1d86b2..9a188d9 100644
--- a/dwm.c
+++ b/dwm.c
@@ -175,6 +175,7 @@ static long getstate(Window w);
 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, int focused);
 static void grabkeys(void);
+static void horizontal(Monitor *m);
 static void incnmaster(const Arg *arg);
 static void keypress(XEvent *e);
 static void killclient(const Arg *arg);
@@ -977,6 +978,22 @@ grabkeys(void)
 	}
 }
 
+void
+horizontal(Monitor *m)
+{
+	Client *c;
+	unsigned int n, i;
+
+	/* Count windows */
+	for(n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
+
+	if(!n)
+		return;
+	else /* Split vertically */
+		for(i = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+			resize(c, m->wx + i * m->mw / n, m->wy, m->mw / n - (2 * c->bw), m->wh - (2 * c->bw), False);
+}
+
 void
 incnmaster(const Arg *arg)
 {