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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 Leap Years (ly) is equal to 31622400 seconds, while 1 Decades (dec) = 315400000 seconds.| 4970140978 Leap Years | to common time units |
|---|---|
| 4970140978 ly | = 157167786062707200 seconds (s) |
| 4970140978 ly | = 2619463101045120 minutes (min) |
| 4970140978 ly | = 43657718350752 hours (hr) |
| 4970140978 ly | = 1819071597948 days (day) |
| 4970140978 ly | = 259867371135.43 weeks (wk) |
| 4970140978 ly | = 4983757802.5973 years (yr) |
| 4970140978 ly | = 59805093631.167 months (mo) |
| 4970140978 ly | = 498312574.70738 decades (dec) |
| 4970140978 ly | = 49831257.470738 centuries (cent) |
| 4970140978 ly | = 4983125.7470738 millenniums (mill) |