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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 Weeks (wk) = 604800 seconds.| 84 Decades | to common time units |
|---|---|
| 84 dec | = 26493600000 seconds (s) |
| 84 dec | = 441560000 minutes (min) |
| 84 dec | = 7359333.3333333 hours (hr) |
| 84 dec | = 306638.88888889 days (day) |
| 84 dec | = 43805.555555556 weeks (wk) |
| 84 dec | = 840.10654490107 years (yr) |
| 84 dec | = 10081.278538813 months (mo) |
| 84 dec | = 84 decades (dec) |
| 84 dec | = 8.4 centuries (cent) |
| 84 dec | = 0.84 millenniums (mill) |