There are many sites that evaluate diabetes risk but they are all qualitative and consider few risk factors.
They do not quantify the risk associated with age, weight, genetics, nutrition, inactivity, health and lifestyle.
They do not compute the efficacy of weight loss, exercise, good nutrition and healthy lifestyle in reducing risk.
They may be adequate for generalised qualitative guidelines. Their advantage is their simplicity.
Some of the more popular sites are listed below: