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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 Lustrums (L) is equal to 157680000 seconds, while 1 Decades (dec) = 315400000 seconds.| 4 Lustrums | to common time units |
|---|---|
| 4 L | = 630720000 seconds (s) |
| 4 L | = 10512000 minutes (min) |
| 4 L | = 175200 hours (hr) |
| 4 L | = 7300 days (day) |
| 4 L | = 1042.8571428571 weeks (wk) |
| 4 L | = 20 years (yr) |
| 4 L | = 240 months (mo) |
| 4 L | = 1.9997463538364 decades (dec) |
| 4 L | = 0.19997463538364 centuries (cent) |
| 4 L | = 0.019997463538364 millenniums (mill) |