Bands Run Small

I measure out at 28" around on a short, petite, well-endowed frame. Add 5" and that's 33", right? The 34's I've been wearing are a little snug now since I've gained a couple lbs, so I decided to go to a 36, which is what I got. A 36DD. The cups are about a half cup too large, but that's fine. The band is TIGHT on me on the largest setting. Other than that, it's a comfortable bra. I might try to get another one in a 38D and see how that fits. But do be aware, unless I got an odd one, the bands are small.