brownie266 Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 2 posts - 1 through 2 (of 2 total) Author Posts Jun 20, 2008 at 12:34 pm in reply to: Range of rod weights you own. #26616 brownie266Member 3-7 🙂 Apr 3, 2007 at 2:09 am in reply to: weight calculator #16766 brownie266Member That would be girth squared times length divide by 800.  So for a 21″ fish with a 10″ girth the formula would be; (10 x 10)21 / 800 or 2.63 lbs. Author Posts Viewing 2 posts - 1 through 2 (of 2 total)