| 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 |
| picometer | 25 400 000 000 pm | 50 800 000 000 pm | 76 200 000 000 pm | 101 600 000 000 pm | 127 000 000 000 pm | 152 400 000 000 pm | 177 800 000 000 pm | 203 200 000 000 pm | 228 600 000 000 pm | 254 000 000 000 pm | 279 400 000 000 pm | 304 800 000 000 pm | 330 200 000 000 pm | 355 600 000 000 pm | 381 000 000 000 pm | 406 400 000 000 pm | 431 800 000 000 pm | 457 200 000 000 pm | 482 600 000 000 pm | 508 000 000 000 pm | 533 400 000 000 pm | 558 800 000 000 pm | 584 200 000 000 pm | 609 600 000 000 pm | 635 000 000 000 pm | 660 400 000 000 pm | 685 800 000 000 pm | 711 200 000 000 pm | 736 600 000 000 pm | 762 000 000 000 pm | 787 400 000 000 pm | 812 800 000 000 pm | 838 200 000 000 pm | 863 600 000 000 pm | 889 000 000 000 pm | 914 400 000 000 pm | 939 800 000 000 pm | 965 200 000 000 pm | 990 600 000 000 pm | 1 016 000 000 000 pm | 1 041 400 000 000 pm | 1 066 800 000 000 pm | 1 092 200 000 000 pm | 1 117 600 000 000 pm | 1 143 000 000 000 pm | 1 168 400 000 000 pm | 1 193 800 000 000 pm | 1 219 200 000 000 pm | 1 244 600 000 000 pm | 1 270 000 000 000 pm | 1 295 400 000 000 pm | 1 320 800 000 000 pm | 1 346 200 000 000 pm | 1 371 600 000 000 pm | 1 397 000 000 000 pm | 1 422 400 000 000 pm | 1 447 800 000 000 pm | 1 473 200 000 000 pm | 1 498 600 000 000 pm | 1 524 000 000 000 pm | 1 549 400 000 000 pm | 1 574 800 000 000 pm | 1 600 200 000 000 pm | 1 625 600 000 000 pm | 1 651 000 000 000 pm | 1 676 400 000 000 pm | 1 701 800 000 000 pm | 1 727 200 000 000 pm | 1 752 600 000 000 pm | 1 778 000 000 000 pm | 1 803 400 000 000 pm | 1 828 800 000 000 pm | 1 854 200 000 000 pm | 1 879 600 000 000 pm | 1 905 000 000 000 pm | 1 930 400 000 000 pm | 1 955 800 000 000 pm | 1 981 200 000 000 pm | 2 006 600 000 000 pm | 2 032 000 000 000 pm | 2 057 400 000 000 pm | 2 082 800 000 000 pm | 2 108 200 000 000 pm | 2 133 600 000 000 pm | 2 159 000 000 000 pm | 2 184 400 000 000 pm | 2 209 800 000 000 pm | 2 235 200 000 000 pm | 2 260 600 000 000 pm | 2 286 000 000 000 pm | 2 311 400 000 000 pm | 2 336 800 000 000 pm | 2 362 200 000 000 pm | 2 387 600 000 000 pm | 2 413 000 000 000 pm | 2 438 400 000 000 pm | 2 463 800 000 000 pm | 2 489 200 000 000 pm | 2 514 600 000 000 pm | 2 540 000 000 000 pm |
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 | picometers | inches | picometers |
|---|---|---|---|
| 1 | ≡ 25400000000 | 4 | ≡ 101600000000 |
| 1.5 | ≡ 38100000000 | 4.5 | ≡ 114300000000 |
| 2 | ≡ 50800000000 | 5 | ≡ 127000000000 |
| 2.5 | ≡ 63500000000 | 5.5 | ≡ 139700000000 |
| 3 | ≡ 76200000000 | 6 | ≡ 152400000000 |
The picometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the metric system, equal to 1×10−12 m, or one trillionth ( 1 / 1000000000000 ) of a metre, which is the SI base unit of length.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| picometer | pm | ≡ 1×10-12 m | ≡ 1×10-12 m | Metric system SI |
| picometers | inches | picometers | inches |
|---|---|---|---|
| 1 | ≡ 3.9370078740157E-11 | 4 | ≡ 1.5748031496063E-10 |
| 1.5 | ≡ 5.9055118110236E-11 | 4.5 | ≡ 1.7716535433071E-10 |
| 2 | ≡ 7.8740157480315E-11 | 5 | ≡ 1.9685039370079E-10 |
| 2.5 | ≡ 9.8425196850394E-11 | 5.5 | ≡ 2.1653543307087E-10 |
| 3 | ≡ 1.1811023622047E-10 | 6 | ≡ 2.3622047244094E-10 |
| inches | picometers |
|---|---|
| 1 | ≡ 25 400 000 000 |
| 3.9370078740157 × 10-11 | ≡ 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 …) |