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 come from Latin: biennium (2 years), trienni ..more definition+
In relation to the base unit of [time] => (seconds), 1 Decades (dec) is equal to 315400000 seconds, while 1 Helek (h) = 3.33333 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 Helek (table conversion) |
|---|---|
| 1 dec | = 94620094.620095 h |
| 2 dec | = 189240189.24019 h |
| 3 dec | = 283860283.86028 h |
| 4 dec | = 378480378.48038 h |
| 5 dec | = 473100473.10047 h |
| 6 dec | = 567720567.72057 h |
| 7 dec | = 662340662.34066 h |
| 8 dec | = 756960756.96076 h |
| 9 dec | = 851580851.58085 h |
| 10 dec | = 946200946.20095 h |
| 20 dec | = 1892401892.4019 h |
| 30 dec | = 2838602838.6028 h |
| 40 dec | = 3784803784.8038 h |
| 50 dec | = 4731004731.0047 h |
| 60 dec | = 5677205677.2057 h |
| 70 dec | = 6623406623.4066 h |
| 80 dec | = 7569607569.6076 h |
| 90 dec | = 8515808515.8085 h |
| 100 dec | = 9462009462.0095 h |
| 200 dec | = 18924018924.019 h |
| 300 dec | = 28386028386.028 h |
| 400 dec | = 37848037848.038 h |
| 500 dec | = 47310047310.047 h |
| 600 dec | = 56772056772.057 h |
| 700 dec | = 66234066234.066 h |
| 800 dec | = 75696075696.076 h |
| 900 dec | = 85158085158.085 h |
| 1000 dec | = 94620094620.095 h |
| 2000 dec | = 189240189240.19 h |
| 4000 dec | = 378480378480.38 h |
| 5000 dec | = 473100473100.47 h |
| 7500 dec | = 709650709650.71 h |
| 10000 dec | = 946200946200.95 h |
| 25000 dec | = 2365502365502.4 h |
| 50000 dec | = 4731004731004.7 h |
| 100000 dec | = 9462009462009.5 h |
| 1000000 dec | = 94620094620095 h |
| 1000000000 dec | = 9.4620094620095E+16 h |