| light-hour | 1 light-hour | 2 light-hour | 3 light-hour | 4 light-hour | 5 light-hour | 6 light-hour | 7 light-hour | 8 light-hour | 9 light-hour | 10 light-hour | 11 light-hour | 12 light-hour | 13 light-hour | 14 light-hour | 15 light-hour | 16 light-hour | 17 light-hour | 18 light-hour | 19 light-hour | 20 light-hour | 21 light-hour | 22 light-hour | 23 light-hour | 24 light-hour | 25 light-hour | 26 light-hour | 27 light-hour | 28 light-hour | 29 light-hour | 30 light-hour | 31 light-hour | 32 light-hour | 33 light-hour | 34 light-hour | 35 light-hour | 36 light-hour | 37 light-hour | 38 light-hour | 39 light-hour | 40 light-hour | 41 light-hour | 42 light-hour | 43 light-hour | 44 light-hour | 45 light-hour | 46 light-hour | 47 light-hour | 48 light-hour | 49 light-hour | 50 light-hour | 51 light-hour | 52 light-hour | 53 light-hour | 54 light-hour | 55 light-hour | 56 light-hour | 57 light-hour | 58 light-hour | 59 light-hour | 60 light-hour | 61 light-hour | 62 light-hour | 63 light-hour | 64 light-hour | 65 light-hour | 66 light-hour | 67 light-hour | 68 light-hour | 69 light-hour | 70 light-hour | 71 light-hour | 72 light-hour | 73 light-hour | 74 light-hour | 75 light-hour | 76 light-hour | 77 light-hour | 78 light-hour | 79 light-hour | 80 light-hour | 81 light-hour | 82 light-hour | 83 light-hour | 84 light-hour | 85 light-hour | 86 light-hour | 87 light-hour | 88 light-hour | 89 light-hour | 90 light-hour | 91 light-hour | 92 light-hour | 93 light-hour | 94 light-hour | 95 light-hour | 96 light-hour | 97 light-hour | 98 light-hour | 99 light-hour | 100 light-hour |
| meter | 1 079 252 848 800 m | 2 158 505 697 600 m | 3 237 758 546 400 m | 4 317 011 395 200 m | 5 396 264 244 000 m | 6 475 517 092 800 m | 7 554 769 941 600 m | 8 634 022 790 400 m | 9 713 275 639 200 m | 10 792 528 488 000 m | 11 871 781 336 800 m | 12 951 034 185 600 m | 14 030 287 034 400 m | 15 109 539 883 200 m | 16 188 792 732 000 m | 17 268 045 580 800 m | 18 347 298 429 600 m | 19 426 551 278 400 m | 20 505 804 127 200 m | 21 585 056 976 000 m | 22 664 309 824 800 m | 23 743 562 673 600 m | 24 822 815 522 400 m | 25 902 068 371 200 m | 26 981 321 220 000 m | 28 060 574 068 800 m | 29 139 826 917 600 m | 30 219 079 766 400 m | 31 298 332 615 200 m | 32 377 585 464 000 m | 33 456 838 312 800 m | 34 536 091 161 600 m | 35 615 344 010 400 m | 36 694 596 859 200 m | 37 773 849 708 000 m | 38 853 102 556 800 m | 39 932 355 405 600 m | 41 011 608 254 400 m | 42 090 861 103 200 m | 43 170 113 952 000 m | 44 249 366 800 800 m | 45 328 619 649 600 m | 46 407 872 498 400 m | 47 487 125 347 200 m | 48 566 378 196 000 m | 49 645 631 044 800 m | 50 724 883 893 600 m | 51 804 136 742 400 m | 52 883 389 591 200 m | 53 962 642 440 000 m | 55 041 895 288 800 m | 56 121 148 137 600 m | 57 200 400 986 400 m | 58 279 653 835 200 m | 59 358 906 684 000 m | 60 438 159 532 800 m | 61 517 412 381 600 m | 62 596 665 230 400 m | 63 675 918 079 200 m | 64 755 170 928 000 m | 65 834 423 776 800 m | 66 913 676 625 600 m | 67 992 929 474 400 m | 69 072 182 323 200 m | 70 151 435 172 000 m | 71 230 688 020 800 m | 72 309 940 869 600 m | 73 389 193 718 400 m | 74 468 446 567 200 m | 75 547 699 416 000 m | 76 626 952 264 800 m | 77 706 205 113 600 m | 78 785 457 962 400 m | 79 864 710 811 200 m | 80 943 963 660 000 m | 82 023 216 508 800 m | 83 102 469 357 600 m | 84 181 722 206 400 m | 85 260 975 055 200 m | 86 340 227 904 000 m | 87 419 480 752 800 m | 88 498 733 601 600 m | 89 577 986 450 400 m | 90 657 239 299 200 m | 91 736 492 148 000 m | 92 815 744 996 800 m | 93 894 997 845 600 m | 94 974 250 694 400 m | 96 053 503 543 200 m | 97 132 756 392 000 m | 98 212 009 240 800 m | 99 291 262 089 600 m | 1.003705149384 × 1014 m | 1.014497677872 × 1014 m | 1.02529020636 × 1014 m | 1.036082734848 × 1014 m | 1.046875263336 × 1014 m | 1.057667791824 × 1014 m | 1.068460320312 × 1014 m | 1.0792528488 × 1014 m |
The light-hour is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space in onehour, and is equal to exactly 1.0792528488×1012 metres.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| light-hour | ≡ 60 light-minutes | ≡ 1.0792528488×1012 m | Science - Astronomy (Length) |
| light-hours | meters | light-hours | meters |
|---|---|---|---|
| 1 | ≡ 1079252848800 | 4 | ≡ 4317011395200 |
| 1.5 | ≡ 1618879273200 | 4.5 | ≡ 4856637819600 |
| 2 | ≡ 2158505697600 | 5 | ≡ 5396264244000 |
| 2.5 | ≡ 2698132122000 | 5.5 | ≡ 5935890668400 |
| 3 | ≡ 3237758546400 | 6 | ≡ 6475517092800 |
The metre (international spelling) or meter (American spelling) (from the Greek noun μέτρον, "measure") is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299 792 458 seconds.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| meter | m | ≡ Distance light travels in 1⁄299792458 of a second in vacuum. | ≡ 1 m | Metric system SI |
| meters | light-hours | meters | light-hours |
|---|---|---|---|
| 1 | ≡ 9.2656693110598E-13 | 4 | ≡ 3.7062677244239E-12 |
| 1.5 | ≡ 1.389850396659E-12 | 4.5 | ≡ 4.1695511899769E-12 |
| 2 | ≡ 1.853133862212E-12 | 5 | ≡ 4.6328346555299E-12 |
| 2.5 | ≡ 2.3164173277649E-12 | 5.5 | ≡ 5.0961181210829E-12 |
| 3 | ≡ 2.7797007933179E-12 | 6 | ≡ 5.5594015866359E-12 |
| light-hours | meters |
|---|---|
| 1 | ≡ 1 079 252 848 800 |
| 9.2656693110598 × 10-13 | ≡ 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 …) |