Just subtract the current year minus 1945. If the current date is before October 2, subtract one.
64 years old.
How old would you be today if you were born on september 7 1945
He is 64, was born on October 12, 1945.
Today, you would be 66 years old (April 21, 2012).
If you were born on April 30, 1945, and it is currently 2022, you would be 77 years old.
This person would be 68 years old. Subtract 1945 from 2013.
If you where born in October 1964 you would be 45 years old.
A person born in October 1983 would be 25 years old.
A person who was born on March 22, 1945 would now, on July 12, 2012, be 67 years old.
A person born in 1945 would today - depending on the date of his birthday - be 68 or 69 years old.
In 2012 you would be 66 or 67.
A person born on October 16, 1993 would be 19 years old and on October 16, 2012 (This year) they would be 20 years old.