Well i'm 5'9" tall and currently weigh 154lbs
Tops-UK 10 (US 6)/Small
Trousers-UK 10-12 (US 6-8) depends on the brand, fabric etc
Jeans-28 I carry my weight around my hips (my mum calls them child bearing hips, I say it's genetic
Dresses-UK 10-12 depending on cut/fabric etc.
When I take out the size 12 bit and get the jeans size down an inch I shall be totally happy