| 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 |
| year | 0.0001141 y | 0.0002282 y | 0.0003422 y | 0.0004563 y | 0.0005704 y | 0.0006845 y | 0.0007986 y | 0.0009126 y | 0.0010267 y | 0.0011408 y | 0.0012549 y | 0.0013690 y | 0.0014830 y | 0.0015971 y | 0.0017112 y | 0.0018253 y | 0.0019394 y | 0.0020534 y | 0.0021675 y | 0.0022816 y | 0.0023957 y | 0.0025098 y | 0.0026238 y | 0.0027379 y | 0.0028520 y | 0.0029661 y | 0.0030801 y | 0.0031942 y | 0.0033083 y | 0.0034224 y | 0.0035365 y | 0.0036505 y | 0.0037646 y | 0.0038787 y | 0.0039928 y | 0.0041069 y | 0.0042209 y | 0.0043350 y | 0.0044491 y | 0.0045632 y | 0.0046773 y | 0.0047913 y | 0.0049054 y | 0.0050195 y | 0.0051336 y | 0.0052477 y | 0.0053617 y | 0.0054758 y | 0.0055899 y | 0.0057040 y | 0.0058181 y | 0.0059321 y | 0.0060462 y | 0.0061603 y | 0.0062744 y | 0.0063885 y | 0.0065025 y | 0.0066166 y | 0.0067307 y | 0.0068448 y | 0.0069589 y | 0.0070729 y | 0.0071870 y | 0.0073011 y | 0.0074152 y | 0.0075293 y | 0.0076433 y | 0.0077574 y | 0.0078715 y | 0.0079856 y | 0.0080996 y | 0.0082137 y | 0.0083278 y | 0.0084419 y | 0.0085560 y | 0.0086700 y | 0.0087841 y | 0.0088982 y | 0.0090123 y | 0.0091264 y | 0.0092404 y | 0.0093545 y | 0.0094686 y | 0.0095827 y | 0.0096968 y | 0.0098108 y | 0.0099249 y | 0.0100390 y | 0.0101531 y | 0.0102672 y | 0.0103812 y | 0.0104953 y | 0.0106094 y | 0.0107235 y | 0.0108376 y | 0.0109516 y | 0.0110657 y | 0.0111798 y | 0.0112939 y | 0.0114080 y |
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 | years | hours | years |
|---|---|---|---|
| 1 | = 0.00011407955261549 | 6 | = 0.00068447731569292 |
| 2 | = 0.00022815910523097 | 7 | = 0.0007985568683084 |
| 3 | = 0.00034223865784646 | 8 | = 0.00091263642092389 |
| 4 | = 0.00045631821046194 | 9 | = 0.0010267159735394 |
| 5 | = 0.00057039776307743 | 10 | = 0.0011407955261549 |
A year is the orbital period of the Earth moving in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons, marked by changes in weather, the hours of daylight, and, consequently, vegetation and soil fertility.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| year | y | = 365.2425 d average, calculated from common years (365 d) plus leap years (366 d) on most years divisible by 4. | = 31.556952 Ms | Metric system SI |
| years | hours | years | hours |
|---|---|---|---|
| 1 | = 8765.8127777778 | 6 | = 52594.876666667 |
| 2 | = 17531.625555556 | 7 | = 61360.689444444 |
| 3 | = 26297.438333333 | 8 | = 70126.502222222 |
| 4 | = 35063.251111111 | 9 | = 78892.315 |
| 5 | = 43829.063888889 | 10 | = 87658.127777778 |
| hours | years |
|---|---|
| 1 | = 0.0001141 |
| 8,765.8127778 | = 1 |
You can find the conversion in other languages in the following:
| 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 …) |