| hour | 1 h | 2 h | 3 h | 4 h | 5 h | 6 h | 7 h | 8 h | 9 h | 10 h | 11 h | 12 h | 13 h | 14 h | 15 h | 16 h | 17 h | 18 h | 19 h | 20 h | 21 h | 22 h | 23 h | 24 h | 25 h | 26 h | 27 h | 28 h | 29 h | 30 h | 31 h | 32 h | 33 h | 34 h | 35 h | 36 h | 37 h | 38 h | 39 h | 40 h | 41 h | 42 h | 43 h | 44 h | 45 h | 46 h | 47 h | 48 h | 49 h | 50 h | 51 h | 52 h | 53 h | 54 h | 55 h | 56 h | 57 h | 58 h | 59 h | 60 h | 61 h | 62 h | 63 h | 64 h | 65 h | 66 h | 67 h | 68 h | 69 h | 70 h | 71 h | 72 h | 73 h | 74 h | 75 h | 76 h | 77 h | 78 h | 79 h | 80 h | 81 h | 82 h | 83 h | 84 h | 85 h | 86 h | 87 h | 88 h | 89 h | 90 h | 91 h | 92 h | 93 h | 94 h | 95 h | 96 h | 97 h | 98 h | 99 h | 100 h |
| fortnight | 0.0029762 fn | 0.0059524 fn | 0.0089286 fn | 0.0119048 fn | 0.0148810 fn | 0.0178571 fn | 0.0208333 fn | 0.0238095 fn | 0.0267857 fn | 0.0297619 fn | 0.0327381 fn | 0.0357143 fn | 0.0386905 fn | 0.0416667 fn | 0.0446429 fn | 0.0476190 fn | 0.0505952 fn | 0.0535714 fn | 0.0565476 fn | 0.0595238 fn | 0.0625 fn | 0.0654762 fn | 0.0684524 fn | 0.0714286 fn | 0.0744048 fn | 0.0773810 fn | 0.0803571 fn | 0.0833333 fn | 0.0863095 fn | 0.0892857 fn | 0.0922619 fn | 0.0952381 fn | 0.0982143 fn | 0.1011905 fn | 0.1041667 fn | 0.1071429 fn | 0.1101190 fn | 0.1130952 fn | 0.1160714 fn | 0.1190476 fn | 0.1220238 fn | 0.125 fn | 0.1279762 fn | 0.1309524 fn | 0.1339286 fn | 0.1369048 fn | 0.1398810 fn | 0.1428571 fn | 0.1458333 fn | 0.1488095 fn | 0.1517857 fn | 0.1547619 fn | 0.1577381 fn | 0.1607143 fn | 0.1636905 fn | 0.1666667 fn | 0.1696429 fn | 0.1726190 fn | 0.1755952 fn | 0.1785714 fn | 0.1815476 fn | 0.1845238 fn | 0.1875 fn | 0.1904762 fn | 0.1934524 fn | 0.1964286 fn | 0.1994048 fn | 0.2023810 fn | 0.2053571 fn | 0.2083333 fn | 0.2113095 fn | 0.2142857 fn | 0.2172619 fn | 0.2202381 fn | 0.2232143 fn | 0.2261905 fn | 0.2291667 fn | 0.2321429 fn | 0.2351190 fn | 0.2380952 fn | 0.2410714 fn | 0.2440476 fn | 0.2470238 fn | 0.25 fn | 0.2529762 fn | 0.2559524 fn | 0.2589286 fn | 0.2619048 fn | 0.2648810 fn | 0.2678571 fn | 0.2708333 fn | 0.2738095 fn | 0.2767857 fn | 0.2797619 fn | 0.2827381 fn | 0.2857143 fn | 0.2886905 fn | 0.2916667 fn | 0.2946429 fn | 0.2976190 fn |
An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as 1⁄24 of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| hour | h | ≡ 60 min | = 3600 s | Metric system SI |
| hours | fortnights | hours | fortnights |
|---|---|---|---|
| 1 | = 0.0029761904761905 | 6 | = 0.017857142857143 |
| 2 | = 0.005952380952381 | 7 | = 0.020833333333333 |
| 3 | = 0.0089285714285714 | 8 | = 0.023809523809524 |
| 4 | = 0.011904761904762 | 9 | = 0.026785714285714 |
| 5 | = 0.014880952380952 | 10 | = 0.029761904761905 |
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 | hours | fortnights | hours |
|---|---|---|---|
| 1 | = 336 | 6 | = 2016 |
| 2 | = 672 | 7 | = 2352 |
| 3 | = 1008 | 8 | = 2688 |
| 4 | = 1344 | 9 | = 3024 |
| 5 | = 1680 | 10 | = 3360 |
| hours | fortnights |
|---|---|
| 1 | = 0.0029762 |
| 336 | = 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 …) |