Hi, I thought I could do this...but it's driving me bananas!

I've have a column of a report that's for telephone call duration, but the information is left aligned/text.

Is there a formula I could use to convert this to data?

Thanks in advance.

Matthew


Duration
0:00:45
0:02:16
0:00:19
0:06:31
0:05:50
0:04:03
0:04:30
0:02:17
0:27:45
0:06:41
0:00:26
0:00:52
0:00:38
0:00:55
0:02:21
0:04:14
0:05:10
0:02:15
0:02:16
0:01:27
0:10:18
0:01:24
0:08:24
0:04:14
0:00:21
0:00:38
0:00:26
0:00:53
0:17:01