decade-year (Gregorian) conversion

Conversion number between decade [dec] and year (Gregorian) [a, y, or yr] is 10. This means, that decade is bigger unit than year (Gregorian).

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Switch to reverse conversion:
from year (Gregorian) to decade conversion

Enter the number in decade:

Decimal Fraction Exponential Expression

[dec]

eg.: 10.12345 or 1.123e5

Result in year (Gregorian)

precision	[info]
Decimal:	[!]
Exponential:

Calculation process of conversion value

1 decade = (exactly) `(315569520) / (31556952)` = 10 year (Gregorian)
1 year (Gregorian) = (exactly) `(31556952) / (315569520)` = 0.1 decade
? decade × `(315569520 ("s"/"decade")) / (31556952 ("s"/"year (Gregorian)"))` = ? year (Gregorian)

High precision conversion

If conversion between decade to second and second to year (Gregorian) is exactly definied, high precision conversion from decade to year (Gregorian) is enabled.

Decimal places: (0-800)

decade
Result in year (Gregorian):
?

gads

decade to year (Gregorian) conversion chart

Start value:	[decade]
Step size	[decade]
How many lines?	(max 100)

visual:

decade	year (Gregorian)
0	0
10	100
20	200
30	300
40	400
50	500
60	600
70	700
80	800
90	900
100	1000
110	1100

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Multiple conversion

Enter numbers in decade and click convert button.
One number per line.

Converted numbers in year (Gregorian):
Click to select all

Details about decade and year (Gregorian) units:

Convert Decade to other unit:

decade

Definition of decade unit: ≡ 10 years (Gregorian). = 365.2425 × 10 × 86400 seconds

Convert Year (Gregorian) to other unit:

Definition of year (Gregorian) unit: = 365.2425 d average. As the common year has 365 days, the Gregorian calendar with leap years compensate the deviation from the real, astronomical year. According to this calendar, every 4th year is a leap year, except for every 100th. But every 400th is a leap year. This means that there are 97 leap years in 400 year period. So according to Gregorian's calendar, one year has 365 + 97/400 days (average). This is not a perfect approach, but in 1000 year period, the defiation is only 0.3 days compared to the astronomical year. In the year 1582 Gregorian replaced the Julian calendar.

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	×10		[dec]