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A millennium (plural millennia or millenniums) is a period of time equal to 1000 years, also called kiloyears. It derives from the Latin mille, thousand, and annus, year. ..more definition+
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 Millenniums (mill) is equal to 31540000000 seconds, while 1 Decades (dec) = 315400000 seconds.| 1 Millenniums | to common time units |
|---|---|
| 1 mill | = 31540000000 seconds (s) |
| 1 mill | = 525666666.66667 minutes (min) |
| 1 mill | = 8761111.1111111 hours (hr) |
| 1 mill | = 365046.2962963 days (day) |
| 1 mill | = 52149.470899471 weeks (wk) |
| 1 mill | = 1000.1268391679 years (yr) |
| 1 mill | = 12001.522070015 months (mo) |
| 1 mill | = 100 decades (dec) |
| 1 mill | = 10 centuries (cent) |
| 1 mill | = 1 millenniums (mill) |
| Millenniums | to Decades (table conversion) |
|---|---|
| 1 mill | = 100 dec |
| 2 mill | = 200 dec |
| 3 mill | = 300 dec |
| 4 mill | = 400 dec |
| 5 mill | = 500 dec |
| 6 mill | = 600 dec |
| 7 mill | = 700 dec |
| 8 mill | = 800 dec |
| 9 mill | = 900 dec |
| 10 mill | = 1000 dec |
| 20 mill | = 2000 dec |
| 30 mill | = 3000 dec |
| 40 mill | = 4000 dec |
| 50 mill | = 5000 dec |
| 60 mill | = 6000 dec |
| 70 mill | = 7000 dec |
| 80 mill | = 8000 dec |
| 90 mill | = 9000 dec |
| 100 mill | = 10000 dec |
| 200 mill | = 20000 dec |
| 300 mill | = 30000 dec |
| 400 mill | = 40000 dec |
| 500 mill | = 50000 dec |
| 600 mill | = 60000 dec |
| 700 mill | = 70000 dec |
| 800 mill | = 80000 dec |
| 900 mill | = 90000 dec |
| 1000 mill | = 100000 dec |
| 2000 mill | = 200000 dec |
| 4000 mill | = 400000 dec |
| 5000 mill | = 500000 dec |
| 7500 mill | = 750000 dec |
| 10000 mill | = 1000000 dec |
| 25000 mill | = 2500000 dec |
| 50000 mill | = 5000000 dec |
| 100000 mill | = 10000000 dec |
| 1000000 mill | = 100000000 dec |
| 1000000000 mill | = 100000000000 dec |