Time conversion

Convert Julian year to Second

1 julian year (a) equals 31,557,600 second (s). Enter any value below to convert from a to s.

Enter a value and choose units. Results update instantly.

1 a = 31,557,600 s

All Time units

From 1 a
UnitValue
Nanosecond ns 3.15576e16
Microsecond μs 3.15576e13
Millisecond ms 31,557,600,000
Second s 31,557,600
Minute min 525,960
Hour h 8,766
Day d 365.25
Week wk 52.1785714286
Average Gregorian month mo 12.0002464116
Julian year a 1
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Formula

a to s conversion formula

Use this relationship for a direct conversion:

s = a x 31,557,600

Worked example

2 a = 63,115,200 s.

Use the Date Calculators for calendar months, leap years, daylight saving transitions, and business days.

Quick reference

Julian year to Second table

Julian year (a)Second (s)
0.01315,576
0.13,155,760
131,557,600
263,115,200
5157,788,000
10315,576,000
25788,940,000
501,577,880,000
1003,155,760,000
1,00031,557,600,000

From unit

About the julian year

Exactly 365.25 days in astronomy.

Symbol: a

To unit

About the second

The SI base unit of time.

Symbol: s

Keep converting

Related conversions

Source

Conversion standard

Definitions are checked against BIPM SI Brochure: Units of time. Calculations use full internal precision before display rounding.

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Questions

a to s FAQ

How do you convert julian year to second?

Use the formula s = a x 31,557,600. 1 julian year (a) equals 31,557,600 second (s).

Is the a to s conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.