XS: Bust 31-32; Waist 23-24; Hips 33.5-35

S: Bust 33-34; Waist 25-26; Hips 35.5-37

M: Bust 35-36; Waist 27-28; Hips 37.5-39

L: Bust 37-38; Waist 29-30; Hips 39.5-41

XL: Bust 39-40.5; Waist 31-32.5; Hips 41.5-43

If you think you might be between sizes, or you're one size on top and a different size on bottom, contact me, and we can figure it out.  I can always tweak the patterns a little based on your measurements, height, or fit preference.