How many tropical year in 1 Gregorian year? The answer is 1.0000008414952. We assume you are converting between tropical year and Gregorian year. You can view more details on each measurement unit: tropical year or Gregorian year The SI base unit for time is the second. 1 second is equal to 3.1688765172731E-8 tropical year, or 3.1688738506811E-8 Gregorian year. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between years and years. Type in your own numbers in the form to convert the units!
You may also want to find out how many days are between two dates on the calendar. Use the date calculatorto get your age in days or measure the duration of an event.
1 tropical year to Gregorian year = 1 Gregorian year
5 tropical year to Gregorian year = 5 Gregorian year
10 tropical year to Gregorian year = 9.99999 Gregorian year
20 tropical year to Gregorian year = 19.99998 Gregorian year
30 tropical year to Gregorian year = 29.99997 Gregorian year
40 tropical year to Gregorian year = 39.99997 Gregorian year
50 tropical year to Gregorian year = 49.99996 Gregorian year
75 tropical year to Gregorian year = 74.99994 Gregorian year
100 tropical year to Gregorian year = 99.99992 Gregorian year
You can do the reverse unit conversion from Gregorian year to tropical year, or enter any two units below:
The mean tropical year is defined as the period of time for the mean ecliptic longitude of the Sun to increase by 360 degrees. Since the Sun's ecliptic longitude is measured with respect to the equinox, the tropical year comprises a complete cycle of the seasons; because of the biological and socio-economic importance of the seasons, the tropical year is the basis of most calendars.
The International Union of Pure and Applied Chemistry and the International Union of Geological Sciences have jointly recommended using defining the annus, with symbol a, as the length of the tropical year in the year 2000:
a = 31556925.445 seconds (approximately 365.24219265 ephemeris days)
We default to using the Gregorian year on this site, but you can select a specific type of year by entering the full name like "tropical year".
An average Gregorian year is 365.2425 days (52.1775 weeks, 8765.82 hours, 525949.2 minutes or 31556952 seconds). For this calendar, a common year is 365 days (8760 hours, 525600 minutes or 31536000 seconds), and a leap year is 366 days (8784 hours, 527040 minutes or 31622400 seconds). The 400-year cycle of the Gregorian calendar has 146097 days and hence exactly 20871 weeks.
ag = a_g = 365.2425 days for the mean Gregorian year
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!