Maddey for a full size bed these are the measurements:
Drops on three sides:
10" drop - 74x85
12" drop - 78x87
14" drop - 82x89
16" drop - 86 x91
18" drop - 90x93
20" drop - 94x95
If you want to add a 10" tuck, add 10" to the length. These measurements came from American Patchwork & Quilting.