diff --git a/bin/ps/extern.h b/bin/ps/extern.h
index beb5d62869c..927343c9cfe 100644
--- a/bin/ps/extern.h
+++ b/bin/ps/extern.h
@@ -49,6 +49,7 @@ void	 arguments(KINFO *, VARENT *);
 void	 command(KINFO *, VARENT *);
 void	 cputime(KINFO *, VARENT *);
 int	 donlist(void);
+void	 elapsed(KINFO *, VARENT *);
 const	 char *fmt_argv(char **, char *, size_t);
 double	 getpcpu(const KINFO *);
 void	 kvar(KINFO *, VARENT *);
diff --git a/bin/ps/keyword.c b/bin/ps/keyword.c
index 79ed4dc669a..17cdc780d04 100644
--- a/bin/ps/keyword.c
+++ b/bin/ps/keyword.c
@@ -96,6 +96,7 @@ static VAR var[] = {
 	{"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d",
 		0},
 	{"cputime", "", "time", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+	{"etime", "ELAPSED", NULL, USER, elapsed, NULL, 9, 0, CHAR, NULL, 0},
 	{"f", "F", NULL, 0, kvar, NULL, 7, KOFF(ki_flag), INT, "x", 0},
 	{"flags", "", "f", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
 	{"ignored", "", "sigignore", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
diff --git a/bin/ps/print.c b/bin/ps/print.c
index e94920658c5..4f43aa4da5e 100644
--- a/bin/ps/print.c
+++ b/bin/ps/print.c
@@ -535,6 +535,23 @@ cputime(KINFO *k, VARENT *ve)
 	(void)printf("%*s", v->width, obuff);
 }
 
+void
+elapsed(KINFO *k, VARENT *ve)
+{
+	VAR *v;
+	time_t secs;
+	char obuff[128];
+	static time_t now;
+
+	v = ve->var;
+
+	if (!now)
+		time(&now);
+	secs = now - k->ki_p->ki_start.tv_sec;
+	(void)snprintf(obuff, sizeof(obuff), "%3ld:%02ld", secs/60, secs%60);
+	(void)printf("%*s", v->width, obuff);
+}
+
 double
 getpcpu(const KINFO *k)
 {
diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index ba767f75406..438f574f56a 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -378,6 +378,8 @@ command
 command and arguments
 .It cpu
 short-term cpu usage factor (for scheduling)
+.It etime
+elapsed running time
 .It flags
 the process flags, in hexadecimal (alias f)
 .It inblk