# year (common) to lustre; lustrum conversion

Conversion number between year (common) [a, y, or yr] and lustre; lustrum is 0.2. This means, that year (common) is smaller unit than lustre; lustrum.

### Contents [show][hide] Switch to reverse conversion:
from lustre; lustrum to year (common) conversion

### Enter the number in year (common):

Decimal Fraction Exponential Expression
 [a, y, or yr]
eg.: 10.12345 or 1.123e5

Result in lustre; lustrum

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

### Calculation process of conversion value

• 1 year (common) = (exactly) (31536000) / (157680000) = 0.2 lustre; lustrum
• 1 lustre; lustrum = (exactly) (157680000) / (31536000) = 5 year (common)
• ? year (common) × (31536000  ("s"/"year (common)")) / (157680000  ("s"/"lustre; lustrum")) = ? lustre; lustrum

### High precision conversion

If conversion between year (common) to second and second to lustre; lustrum is exactly definied, high precision conversion from year (common) to lustre; lustrum is enabled.

Decimal places: (0-800)

year (common)
Result in lustre; lustrum:
?

### year (common) to lustre; lustrum conversion chart

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

visual:
year (common)lustre; lustrum
00
102
204
306
408
5010
6012
7014
8016
9018
10020
11022
Copy to Excel

## Multiple conversion

Enter numbers in year (common) and click convert button.
One number per line.

Converted numbers in lustre; lustrum:
Click to select all

## Details about year (common) and lustre; lustrum units:

Convert Year (common) to other unit:

### year (common)

Definition of year (common) unit: 365 d. The year commonly has 365 days (except the leap year)

Convert Lustre; lustrum to other unit:

### lustre; lustrum

Definition of lustre; lustrum unit: ≡ 5 years (of 365 d). A lustre is a period of five years. Its use dates back to Ancient Rome, when a lustrum was a five-year period at the end of which a full census of the Roman population would be carried out. = 5*365*86400 = 157.68 Ms ← Back to Time units 