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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 Petaseconds (Ps) = 1.0E+15 seconds.| 8217000000000 Decades | to common time units |
|---|---|
| 8217000000000 dec | = 2.5916418E+21 seconds (s) |
| 8217000000000 dec | = 4.319403E+19 minutes (min) |
| 8217000000000 dec | = 7.199005E+17 hours (hr) |
| 8217000000000 dec | = 2.9995854166667E+16 days (day) |
| 8217000000000 dec | = 4.2851220238095E+15 weeks (wk) |
| 8217000000000 dec | = 82180422374429 years (yr) |
| 8217000000000 dec | = 9.8616506849315E+14 months (mo) |
| 8217000000000 dec | = 8217000000000 decades (dec) |
| 8217000000000 dec | = 821700000000 centuries (cent) |
| 8217000000000 dec | = 82170000000 millenniums (mill) |