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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 Millidays (md) = 86.4 seconds.| 31 Decades | to common time units |
|---|---|
| 31 dec | = 9777400000 seconds (s) |
| 31 dec | = 162956666.66667 minutes (min) |
| 31 dec | = 2715944.4444444 hours (hr) |
| 31 dec | = 113164.35185185 days (day) |
| 31 dec | = 16166.335978836 weeks (wk) |
| 31 dec | = 310.03932014206 years (yr) |
| 31 dec | = 3720.4718417047 months (mo) |
| 31 dec | = 31 decades (dec) |
| 31 dec | = 3.1 centuries (cent) |
| 31 dec | = 0.31 millenniums (mill) |