You can copy your current range,
Go to a cell not in that range and select Edit|Paste special and select Transpose.
Click Ok.
If you want to do it with formulas... then assuming your data is in column A:B, your formula would be:
=INDEX($A:$B,COLUMNS($A$1:A$1),ROWS($A$1:$A1))
copied down 1 row and across as many columns as the original had rows.