As per the modern Gregorian calendar, one year is equal to 365 days and 52.1429 weeks. One complete year is an orbital period taken by the planet Earth to completely revolve around the sun on its axis. One week has to seven (7) complete days. To calculate the number of equivalent weeks for the given number of year, just multiply 52.1429 with the number of years. Use this Weeks in Year Calculator to convert years to weeks and find the equivalent number of weeks in year.
Convert 20 years into weeks.Weeks = 20 x 52.1429