Originally Posted by: JoeyLibbyIve noticed a few bands playing dropped to D, then tuned a half-step down to C.

I was wondering if i can just move the same chords i play when i play in Drop D down the neck a fret and get the same chord as if i was tuned into C.

If you tune down one step, every note you would play in standard tuning will be played two frets higher than usual. Each fret is one half step. For example, if you tune down one half step, the A note on the E string goes from being played on the fifth fret to being played on the sixth fret. The fifth fret would now be an Ab note. If you another half step down, this would be considered one whole step down from standard. Now, the A note is played on the seventh fret, and the fifth fret is a G note.
Also, D to C is one whole step, not a half step. D-Db=1/2,Db-C=1/2. 1/2 + 1/2 = 1.
And if you are confused about the Ab or Db, b=flat.
Hope this doesn't confues you more. :)