How many seconds in 1 million years?

60 seconds in a minute

60 x 60 = 3600 seconds in an hour.

3600 x 24 = 86400 seconds in a day.

86400 x 365.25 = 31557600 seconds in a year.

31557600 x 1000000 = 31557600000000 seconds in 1 million years.