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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 Sidereal Years (Sy) = 31558149.504 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 Sidereal Years (table conversion) |
|---|---|
| 1 dec | = 9.9942488693776 Sy |
| 2 dec | = 19.988497738755 Sy |
| 3 dec | = 29.982746608133 Sy |
| 4 dec | = 39.97699547751 Sy |
| 5 dec | = 49.971244346888 Sy |
| 6 dec | = 59.965493216265 Sy |
| 7 dec | = 69.959742085643 Sy |
| 8 dec | = 79.95399095502 Sy |
| 9 dec | = 89.948239824398 Sy |
| 10 dec | = 99.942488693776 Sy |
| 20 dec | = 199.88497738755 Sy |
| 30 dec | = 299.82746608133 Sy |
| 40 dec | = 399.7699547751 Sy |
| 50 dec | = 499.71244346888 Sy |
| 60 dec | = 599.65493216265 Sy |
| 70 dec | = 699.59742085643 Sy |
| 80 dec | = 799.5399095502 Sy |
| 90 dec | = 899.48239824398 Sy |
| 100 dec | = 999.42488693776 Sy |
| 200 dec | = 1998.8497738755 Sy |
| 300 dec | = 2998.2746608133 Sy |
| 400 dec | = 3997.699547751 Sy |
| 500 dec | = 4997.1244346888 Sy |
| 600 dec | = 5996.5493216265 Sy |
| 700 dec | = 6995.9742085643 Sy |
| 800 dec | = 7995.399095502 Sy |
| 900 dec | = 8994.8239824398 Sy |
| 1000 dec | = 9994.2488693776 Sy |
| 2000 dec | = 19988.497738755 Sy |
| 4000 dec | = 39976.99547751 Sy |
| 5000 dec | = 49971.244346888 Sy |
| 7500 dec | = 74956.866520332 Sy |
| 10000 dec | = 99942.488693776 Sy |
| 25000 dec | = 249856.22173444 Sy |
| 50000 dec | = 499712.44346888 Sy |
| 100000 dec | = 999424.88693776 Sy |
| 1000000 dec | = 9994248.8693776 Sy |
| 1000000000 dec | = 9994248869.3776 Sy |