Real age of Robert Downey Jr. in Iron Man 3
In the movie Iron Man 3, Robert Downey Jr. was:
47 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie Iron Man 3 was released:
January 1, 2013
And the day in which Robert Downey Jr. was born:April 04, 1965
Since movies usually don't take more than one year to be released since the beginning of the filming process, Robert Downey Jr. may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.