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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 Femtoseconds (fs) = 1.0E-15 seconds.| 500 Decades | to common time units |
|---|---|
| 500 dec | = 157700000000 seconds (s) |
| 500 dec | = 2628333333.3333 minutes (min) |
| 500 dec | = 43805555.555556 hours (hr) |
| 500 dec | = 1825231.4814815 days (day) |
| 500 dec | = 260747.35449735 weeks (wk) |
| 500 dec | = 5000.6341958397 years (yr) |
| 500 dec | = 60007.610350076 months (mo) |
| 500 dec | = 500 decades (dec) |
| 500 dec | = 50 centuries (cent) |
| 500 dec | = 5 millenniums (mill) |