| decasecond | 1 das | 2 das | 3 das | 4 das | 5 das | 6 das | 7 das | 8 das | 9 das | 10 das | 11 das | 12 das | 13 das | 14 das | 15 das | 16 das | 17 das | 18 das | 19 das | 20 das | 21 das | 22 das | 23 das | 24 das | 25 das | 26 das | 27 das | 28 das | 29 das | 30 das | 31 das | 32 das | 33 das | 34 das | 35 das | 36 das | 37 das | 38 das | 39 das | 40 das | 41 das | 42 das | 43 das | 44 das | 45 das | 46 das | 47 das | 48 das | 49 das | 50 das | 51 das | 52 das | 53 das | 54 das | 55 das | 56 das | 57 das | 58 das | 59 das | 60 das | 61 das | 62 das | 63 das | 64 das | 65 das | 66 das | 67 das | 68 das | 69 das | 70 das | 71 das | 72 das | 73 das | 74 das | 75 das | 76 das | 77 das | 78 das | 79 das | 80 das | 81 das | 82 das | 83 das | 84 das | 85 das | 86 das | 87 das | 88 das | 89 das | 90 das | 91 das | 92 das | 93 das | 94 das | 95 das | 96 das | 97 das | 98 das | 99 das | 100 das |
| fortnight | 8.2671957671958 × 10-6 fn | 1.6534391534392 × 10-5 fn | 2.4801587301587 × 10-5 fn | 3.3068783068783 × 10-5 fn | 4.1335978835979 × 10-5 fn | 4.9603174603175 × 10-5 fn | 5.787037037037 × 10-5 fn | 6.6137566137566 × 10-5 fn | 7.4404761904762 × 10-5 fn | 8.2671957671958 × 10-5 fn | 9.0939153439153 × 10-5 fn | 9.9206349206349 × 10-5 fn | 0.0001075 fn | 0.0001157 fn | 0.0001240 fn | 0.0001323 fn | 0.0001405 fn | 0.0001488 fn | 0.0001571 fn | 0.0001653 fn | 0.0001736 fn | 0.0001819 fn | 0.0001901 fn | 0.0001984 fn | 0.0002067 fn | 0.0002149 fn | 0.0002232 fn | 0.0002315 fn | 0.0002397 fn | 0.0002480 fn | 0.0002563 fn | 0.0002646 fn | 0.0002728 fn | 0.0002811 fn | 0.0002894 fn | 0.0002976 fn | 0.0003059 fn | 0.0003142 fn | 0.0003224 fn | 0.0003307 fn | 0.0003390 fn | 0.0003472 fn | 0.0003555 fn | 0.0003638 fn | 0.0003720 fn | 0.0003803 fn | 0.0003886 fn | 0.0003968 fn | 0.0004051 fn | 0.0004134 fn | 0.0004216 fn | 0.0004299 fn | 0.0004382 fn | 0.0004464 fn | 0.0004547 fn | 0.0004630 fn | 0.0004712 fn | 0.0004795 fn | 0.0004878 fn | 0.0004960 fn | 0.0005043 fn | 0.0005126 fn | 0.0005208 fn | 0.0005291 fn | 0.0005374 fn | 0.0005456 fn | 0.0005539 fn | 0.0005622 fn | 0.0005704 fn | 0.0005787 fn | 0.0005870 fn | 0.0005952 fn | 0.0006035 fn | 0.0006118 fn | 0.0006200 fn | 0.0006283 fn | 0.0006366 fn | 0.0006448 fn | 0.0006531 fn | 0.0006614 fn | 0.0006696 fn | 0.0006779 fn | 0.0006862 fn | 0.0006944 fn | 0.0007027 fn | 0.0007110 fn | 0.0007192 fn | 0.0007275 fn | 0.0007358 fn | 0.0007440 fn | 0.0007523 fn | 0.0007606 fn | 0.0007688 fn | 0.0007771 fn | 0.0007854 fn | 0.0007937 fn | 0.0008019 fn | 0.0008102 fn | 0.0008185 fn | 0.0008267 fn |
Decasecond is equal to 10second (unit of time), comes from a combination of the metric prefix deca (da) with the second (s). Plural name is decaseconds with symbol is das.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| decasecond | das | ≡ 10 second | ≡ 10 second | Metric system SI |
| decaseconds | fortnights | decaseconds | fortnights |
|---|---|---|---|
| 1 | = 8.2671957671958E-6 | 6 | = 4.9603174603175E-5 |
| 2 | = 1.6534391534392E-5 | 7 | = 5.787037037037E-5 |
| 3 | = 2.4801587301587E-5 | 8 | = 6.6137566137566E-5 |
| 4 | = 3.3068783068783E-5 | 9 | = 7.4404761904762E-5 |
| 5 | = 4.1335978835979E-5 | 10 | = 8.2671957671958E-5 |
A fortnight is a unit of time equal to 14 days (2 weeks). The word derives from the Old English: fēowertyne niht, meaning "fourteen nights".
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| fortnight | fn | ≡ 2 wk | = 1.2096 Ms | Metric system SI |
| fortnights | decaseconds | fortnights | decaseconds |
|---|---|---|---|
| 1 | = 120960 | 6 | = 725760 |
| 2 | = 241920 | 7 | = 846720 |
| 3 | = 362880 | 8 | = 967680 |
| 4 | = 483840 | 9 | = 1088640 |
| 5 | = 604800 | 10 | = 1209600 |
| decaseconds | fortnights |
|---|---|
| 1 | = 8.2671957671958 × 10-6 |
| 120 960 | = 1 |
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |