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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 Octaeteris (octa) = 252460800 seconds.| 1 Decades | to common time units |
|---|---|
| 1 dec | = 315400000 seconds (s) |
| 1 dec | = 5256666.6666667 minutes (min) |
| 1 dec | = 87611.111111111 hours (hr) |
| 1 dec | = 3650.462962963 days (day) |
| 1 dec | = 521.49470899471 weeks (wk) |
| 1 dec | = 10.001268391679 years (yr) |
| 1 dec | = 120.01522070015 months (mo) |
| 1 dec | = 1 decades (dec) |
| 1 dec | = 0.1 centuries (cent) |
| 1 dec | = 0.01 millenniums (mill) |
| Decades | to Octaeteris (table conversion) |
|---|---|
| 1 dec | = 1.2493028620681 octa |
| 2 dec | = 2.4986057241362 octa |
| 3 dec | = 3.7479085862043 octa |
| 4 dec | = 4.9972114482724 octa |
| 5 dec | = 6.2465143103405 octa |
| 6 dec | = 7.4958171724085 octa |
| 7 dec | = 8.7451200344766 octa |
| 8 dec | = 9.9944228965447 octa |
| 9 dec | = 11.243725758613 octa |
| 10 dec | = 12.493028620681 octa |
| 20 dec | = 24.986057241362 octa |
| 30 dec | = 37.479085862043 octa |
| 40 dec | = 49.972114482724 octa |
| 50 dec | = 62.465143103405 octa |
| 60 dec | = 74.958171724085 octa |
| 70 dec | = 87.451200344766 octa |
| 80 dec | = 99.944228965447 octa |
| 90 dec | = 112.43725758613 octa |
| 100 dec | = 124.93028620681 octa |
| 200 dec | = 249.86057241362 octa |
| 300 dec | = 374.79085862043 octa |
| 400 dec | = 499.72114482724 octa |
| 500 dec | = 624.65143103405 octa |
| 600 dec | = 749.58171724085 octa |
| 700 dec | = 874.51200344766 octa |
| 800 dec | = 999.44228965447 octa |
| 900 dec | = 1124.3725758613 octa |
| 1000 dec | = 1249.3028620681 octa |
| 2000 dec | = 2498.6057241362 octa |
| 4000 dec | = 4997.2114482724 octa |
| 5000 dec | = 6246.5143103405 octa |
| 7500 dec | = 9369.7714655107 octa |
| 10000 dec | = 12493.028620681 octa |
| 25000 dec | = 31232.571551702 octa |
| 50000 dec | = 62465.143103405 octa |
| 100000 dec | = 124930.28620681 octa |
| 1000000 dec | = 1249302.8620681 octa |
| 1000000000 dec | = 1249302862.0681 octa |