How many seconds are in a year?
31,536,000 seconds
365 × 86,400 · 525,600 minutes · 31,622,400 in a leap year
years is how many seconds?
seconds is how many years?
Seconds and minutes in each kind of year
| Year | Days | Seconds | Minutes |
|---|---|---|---|
| Common year | 365 | 31,536,000 | 525,600 |
| Leap year | 366 | 31,622,400 | 527,040 |
| Gregorian average | 365.2425 | 31,556,952 | 525,949.2 |
| Julian year (astronomy) | 365.25 | 31,557,600 | 525,960 |
| Sidereal year | 365.25636 | 31,558,149.5 | 525,969.2 |
Seconds in 1 to 100 years from January 1, 2027
| Years | Leap days | Seconds | Minutes |
|---|---|---|---|
| 1 | 0 | 31,536,000 | 525,600 |
| 2 | 1 | 63,158,400 | 1,052,640 |
| 5 | 1 | 157,766,400 | 2,629,440 |
| 10 | 3 | 315,619,200 | 5,260,320 |
| 18 | 5 | 568,080,000 | 9,468,000 |
| 21 | 5 | 662,688,000 | 11,044,800 |
| 25 | 6 | 788,918,400 | 13,148,640 |
| 30 | 8 | 946,771,200 | 15,779,520 |
| 50 | 13 | 1,577,923,200 | 26,298,720 |
| 100 | 24 | 3,155,673,600 | 52,594,560 |
Smaller units: seconds in a day, hours in a week. The same year in hours: how many hours are in a year, and in days: how many days are in a year. Your own life in seconds: the age calculator.
Frequently asked questions
How many seconds are in a year?
31,536,000 in a common year: 365 days × 86,400 seconds. A leap year has 366 days, so 31,622,400 seconds.
How many minutes are in a year?
525,600: 365 × 1,440 minutes a day. A leap year has 527,040 minutes, and the Gregorian average year 525,949.2.
How many years is a billion seconds?
About 31.7 years: 1,000,000,000 ÷ 31,536,000 = 31.71. Counting leap days (365.2425 days a year), 31.69 years, or 11,574 days.
Which year length do scientists use?
Astronomers use the Julian year of 365.25 days, 31,557,600 seconds. The Earth's orbit measured against the stars, the sidereal year, is 365.25636 days, about 31,558,149.5 seconds.
Do leap seconds change the count?
A year with a leap second has one more: 31,536,001, or 31,622,401 in a leap year. The extra second is added to UTC as 23:59:60 at the end of June or December. Phone clocks and this page leave it out.