Cacao substitution for carob

[LotsaRaw]

Does anyone have a conversion formula for this?

I have cacao nibs and powder, but lately lots of recipes I'm interested in call for carob, and I'd like to use a proven substitution.

Thanks!

[LotsaRaw]

*bump* (question still exists) :p

[GlimR]

I sub in equal amounts.