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Conversion

Years to Seconds Converter

1 year = 31,556,952 s. Enter any value to convert years (yr) to seconds (s), or use the table below for common values.

Results

1 yr =31,556,952 syears → seconds
1 yr31,556,952 s
1 s0.00000003168873851 yr
Formula
s = yr × 31,556,952
1 yr in other units
UnitValue
seconds (s)31,556,952
minutes (min)525,949.2
hours (h)8,765.82
days (d)365.2425
weeks (wk)52.1775
months (mo)12

Formula

s = yr × 31,556,952

Example: 10 yr = 315,569,520 s. To convert the other way, use yr = s × 0.00000003168873851.

Quick mental estimate: multiply by about 32,000,000.

Years to Seconds conversion table

Years (yr)Seconds (s)
1 yr31,556,952 s
2 yr63,113,904 s
3 yr94,670,856 s
4 yr126,227,808 s
5 yr157,784,760 s
6 yr189,341,712 s
7 yr220,898,664 s
8 yr252,455,616 s
9 yr284,012,568 s
10 yr315,569,520 s
15 yr473,354,280 s
20 yr631,139,040 s
25 yr788,923,800 s
30 yr946,708,560 s
40 yr1,262,278,080 s
50 yr1,577,847,600 s
75 yr2,366,771,400 s
100 yr3,155,695,200 s
250 yr7,889,238,000 s
500 yr15,778,476,000 s
1,000 yr31,556,952,000 s

About years and seconds

Conversions here use the average Gregorian year of 365.2425 days, which accounts for leap years.

The second is the SI base unit of time, defined by 9,192,631,770 oscillations of a caesium-133 atom.

Other Time conversions

Seconds → YearsReverse conversionMinutes → Secondsmin → sHours → Secondsh → sDays → Secondsd → sWeeks → Secondswk → sMonths → Secondsmo → sYears → Minutesyr → minYears → Hoursyr → hYears → Daysyr → dYears → Weeksyr → wkYears → Monthsyr → mo

Frequently asked questions

How do I convert years to seconds?

Use the formula s = yr × 31,556,952. For example, 10 yr = 315,569,520 s.

What is 1 year in seconds?

1 yr = 31,556,952 s.

How do I convert seconds back to years?

Use yr = s × 0.00000003168873851. 1 s = 0.00000003168873851 yr.