How many years is one million days?

Given that a year has 365 days, 1×106 days / 365.00 days per yr = 2 739.7 years.

However, because one in every four years is a leap year (366 days) the year is an average of 365.25 days long.

1×106 days / 365.25 days per yr = 2 737.9years.

(5 significant figures)