According to The Bump, the baby's size now is:
And, I Am Pregnant states:
Your baby's leg and arm buds are longer now and they have divided into segments where the hands and feet will be. The hands and feet also have an area where the fingers and toes will begin to form. At this point of your pregnancy, the heart is bulging from the body and it has divided into right and left chambers. The brain's hemispheres are continuing to grow and the air passages into the lungs are visible. Your baby's eyes are beginning to get pigment. The nose is developing and the beginning of the face can be seen.
Wow, hands and feet this week, people, I am making hands and feet!