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A decade is a period of 10 years. The word is derived from the Ancient Greek: δεκάς (transliteration=dekas), which means a group of ten. Other words for spans of years also c ..more definition+
In relation to the base unit of [time] => (seconds), 1 Decades (dec) is equal to 315400000 seconds, while 1 Lustrums (L) = 157680000 seconds.| 5 Decades | to common time units |
|---|---|
| 5 dec | = 1577000000 seconds (s) |
| 5 dec | = 26283333.333333 minutes (min) |
| 5 dec | = 438055.55555556 hours (hr) |
| 5 dec | = 18252.314814815 days (day) |
| 5 dec | = 2607.4735449735 weeks (wk) |
| 5 dec | = 50.006341958397 years (yr) |
| 5 dec | = 600.07610350076 months (mo) |
| 5 dec | = 5 decades (dec) |
| 5 dec | = 0.5 centuries (cent) |
| 5 dec | = 0.05 millenniums (mill) |