# day to year (mean tropical) conversion

Conversion number between day [d] and year (mean tropical) [a, y, or yr] is 0.0027379093277788. This means, that day is smaller unit than year (mean tropical).

### Contents [show][hide]

Switch to reverse conversion:
from year (mean tropical) to day conversion

### Enter the number in day:

Decimal Fraction Exponential Expression
 [d]
eg.: 10.12345 or 1.123e5

Result in year (mean tropical)

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 day = (86400) / (31556925.2507328) = 0.0027379093277788 year (mean tropical)
• 1 year (mean tropical) = (31556925.2507328) / (86400) = 365.242190402 day
• ? day × (86400  ("s"/"day")) / (31556925.2507328  ("s"/"year (mean tropical)")) = ? year (mean tropical)

### High precision conversion

If conversion between day to second and second to year (mean tropical) is exactly definied, high precision conversion from day to year (mean tropical) is enabled.

Since definition contain rounded number(s) too, there is no sense for high precision calculation, but if you want, you can enable it. Keep in mind, that converted number will be inaccurate due this rounding error!

### day to year (mean tropical) conversion chart

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

visual:
dayyear (mean tropical)
00
100.027379093277788
200.054758186555576
300.082137279833364
400.10951637311115
500.13689546638894
600.16427455966673
700.19165365294452
800.2190327462223
900.24641183950009
1000.27379093277788
1100.30117002605567
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## Multiple conversion

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

Converted numbers in year (mean tropical):
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## Details about day and year (mean tropical) units:

Convert Day to other unit:

### day

Definition of day unit: = 24 h = 1440 min. One day (solar day) is period of time from noon to noon = 24 hours. A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky. 24 [h] × 3600 [s] = 86.4 [ks] = 86400 [s]

Convert Year (mean tropical) to other unit:

### year (mean tropical)

Definition of year (mean tropical) unit: ≈ 365.242190402 d. Tropical year is the length of time it takes for the Sun to return to the same position in the cycle of seasons, approximately 365.24219 days

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