inch | 1 in | 2 in | 3 in | 4 in | 5 in | 6 in | 7 in | 8 in | 9 in | 10 in | 11 in | 12 in | 13 in | 14 in | 15 in | 16 in | 17 in | 18 in | 19 in | 20 in | 21 in | 22 in | 23 in | 24 in | 25 in | 26 in | 27 in | 28 in | 29 in | 30 in | 31 in | 32 in | 33 in | 34 in | 35 in | 36 in | 37 in | 38 in | 39 in | 40 in | 41 in | 42 in | 43 in | 44 in | 45 in | 46 in | 47 in | 48 in | 49 in | 50 in | 51 in | 52 in | 53 in | 54 in | 55 in | 56 in | 57 in | 58 in | 59 in | 60 in | 61 in | 62 in | 63 in | 64 in | 65 in | 66 in | 67 in | 68 in | 69 in | 70 in | 71 in | 72 in | 73 in | 74 in | 75 in | 76 in | 77 in | 78 in | 79 in | 80 in | 81 in | 82 in | 83 in | 84 in | 85 in | 86 in | 87 in | 88 in | 89 in | 90 in | 91 in | 92 in | 93 in | 94 in | 95 in | 96 in | 97 in | 98 in | 99 in | 100 in |
x unit | 253,467,717,792.64 xu | 506,935,435,585.27 xu | 760,403,153,377.91 xu | 1,013,870,871,170.5 xu | 1,267,338,588,963.2 xu | 1,520,806,306,755.8 xu | 1,774,274,024,548.4 xu | 2,027,741,742,341.1 xu | 2,281,209,460,133.7 xu | 2,534,677,177,926.4 xu | 2 788 144 895 719 xu | 3,041,612,613,511.6 xu | 3,295,080,331,304.3 xu | 3,548,548,049,096.9 xu | 3,802,015,766,889.5 xu | 4,055,483,484,682.2 xu | 4,308,951,202,474.8 xu | 4,562,418,920,267.4 xu | 4,815,886,638,060.1 xu | 5,069,354,355,852.7 xu | 5,322,822,073,645.3 xu | 5 576 289 791 438 xu | 5,829,757,509,230.6 xu | 6,083,225,227,023.3 xu | 6,336,692,944,815.9 xu | 6,590,160,662,608.5 xu | 6,843,628,380,401.2 xu | 7,097,096,098,193.8 xu | 7,350,563,815,986.4 xu | 7,604,031,533,779.1 xu | 7,857,499,251,571.7 xu | 8,110,966,969,364.3 xu | 8 364 434 687 157 xu | 8,617,902,404,949.6 xu | 8,871,370,122,742.2 xu | 9,124,837,840,534.9 xu | 9,378,305,558,327.5 xu | 9,631,773,276,120.1 xu | 9,885,240,993,912.8 xu | 10 138 708 711 705 xu | 10 392 176 429 498 xu | 10 645 644 147 291 xu | 10 899 111 865 083 xu | 11 152 579 582 876 xu | 11 406 047 300 669 xu | 11 659 515 018 461 xu | 11 912 982 736 254 xu | 12 166 450 454 047 xu | 12 419 918 171 839 xu | 12 673 385 889 632 xu | 12 926 853 607 424 xu | 13 180 321 325 217 xu | 13 433 789 043 010 xu | 13 687 256 760 802 xu | 13 940 724 478 595 xu | 14 194 192 196 388 xu | 14 447 659 914 180 xu | 14 701 127 631 973 xu | 14 954 595 349 765 xu | 15 208 063 067 558 xu | 15 461 530 785 351 xu | 15 714 998 503 143 xu | 15 968 466 220 936 xu | 16 221 933 938 729 xu | 16 475 401 656 521 xu | 16 728 869 374 314 xu | 16 982 337 092 107 xu | 17 235 804 809 899 xu | 17 489 272 527 692 xu | 17 742 740 245 484 xu | 17 996 207 963 277 xu | 18 249 675 681 070 xu | 18 503 143 398 862 xu | 18 756 611 116 655 xu | 19 010 078 834 448 xu | 19 263 546 552 240 xu | 19 517 014 270 033 xu | 19 770 481 987 826 xu | 20 023 949 705 618 xu | 20 277 417 423 411 xu | 20 530 885 141 203 xu | 20 784 352 858 996 xu | 21 037 820 576 789 xu | 21 291 288 294 581 xu | 21 544 756 012 374 xu | 21 798 223 730 167 xu | 22 051 691 447 959 xu | 22 305 159 165 752 xu | 22 558 626 883 545 xu | 22 812 094 601 337 xu | 23 065 562 319 130 xu | 23 319 030 036 922 xu | 23 572 497 754 715 xu | 23 825 965 472 508 xu | 24 079 433 190 300 xu | 24 332 900 908 093 xu | 24 586 368 625 886 xu | 24 839 836 343 678 xu | 25 093 304 061 471 xu | 25 346 771 779 264 xu |
The inch (abbreviation: in or ″) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to 1⁄36 yard but usually understood as 1⁄12 of a foot. Derived from the Roman uncia ("twelfth"), inch is also sometimes used to translate related units in other measurement systems, usually understood as deriving from the width of the human thumb.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
inch | in | ≡ 2.54 cm ≡ 1⁄36 yd ≡ 1⁄12 ft | ≡ 0.0254 m | Imperial/US |
inches | x units | inches | x units |
---|---|---|---|
1 | ≈ 253467717792.64 | 4 | ≈ 1013870871170.5 |
1.5 | ≈ 380201576688.95 | 4.5 | ≈ 1140604730066.9 |
2 | ≈ 506935435585.27 | 5 | ≈ 1267338588963.2 |
2.5 | ≈ 633669294481.59 | 5.5 | ≈ 1394072447859.5 |
3 | ≈ 760403153377.91 | 6 | ≈ 1520806306755.8 |
The x unit (symbol xu) is a unit of length approximately equal to 0.1 pm (10−13 m). It is used to quote the wavelength of X-rays and gamma rays.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
x unit | xu | ≈ 1.0021×10−13 m | ≈ 1.0021×10−13 m | Metric system Non-SI |
x units | inches | x units | inches |
---|---|---|---|
1 | ≈ 3.9452755905512E-12 | 4 | ≈ 1.5781102362205E-11 |
1.5 | ≈ 5.9179133858268E-12 | 4.5 | ≈ 1.775374015748E-11 |
2 | ≈ 7.8905511811024E-12 | 5 | ≈ 1.9726377952756E-11 |
2.5 | ≈ 9.863188976378E-12 | 5.5 | ≈ 2.1699015748031E-11 |
3 | ≈ 1.1835826771654E-11 | 6 | ≈ 2.3671653543307E-11 |
inches | x units |
---|---|
1 | ≈ 253,467,717,792.64 |
3.9452755905512 × 10-12 | ≈ 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 …) |