The albumin/globulin ratio is, as its name says, the amount of albumin in the blood compared to the amount of globulin in the blood.The albumin value is divided by the globulin value to get the ratio. The ratio is primarily used to evaluate liver function but also is an indicator of many other possible problems.NORMAL LEVELS. The albumin/globulin ratio normal levels are from 0.8 to 2.0.he albumin/globulin ratio is, as its name says, the amount of albumin in the blood compared to the amount of globulin in the blood.