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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 Shakes (shake) is equal to 1.0E-8 seconds, while 1 Decades (dec) = 315400000 seconds.| 663900 Shakes | to common time units |
|---|---|
| 663900 shake | = 0.006639 seconds (s) |
| 663900 shake | = 0.00011065 minutes (min) |
| 663900 shake | = 1.8441666666667E-6 hours (hr) |
| 663900 shake | = 7.6840277777778E-8 days (day) |
| 663900 shake | = 1.0977182539683E-8 weeks (wk) |
| 663900 shake | = 2.1052130898021E-10 years (yr) |
| 663900 shake | = 2.5262557077626E-9 months (mo) |
| 663900 shake | = 2.1049461001902E-11 decades (dec) |
| 663900 shake | = 2.1049461001902E-12 centuries (cent) |
| 663900 shake | = 2.1049461001902E-13 millenniums (mill) |