Equivalent Aging Schedule

Rat Age	Human Age
6 weeks	10 years
6 months	16 years
9 months	25 years
1 year	30 years
1.5 years	35 years
2 years	40 years
2.5 years	45 years
3 years	50 years
4 years	60 years
5 years	80 years
6 years	100 years
7 years	120 years