x unit | 1 xu | 2 xu | 3 xu | 4 xu | 5 xu | 6 xu | 7 xu | 8 xu | 9 xu | 10 xu | 11 xu | 12 xu | 13 xu | 14 xu | 15 xu | 16 xu | 17 xu | 18 xu | 19 xu | 20 xu | 21 xu | 22 xu | 23 xu | 24 xu | 25 xu | 26 xu | 27 xu | 28 xu | 29 xu | 30 xu | 31 xu | 32 xu | 33 xu | 34 xu | 35 xu | 36 xu | 37 xu | 38 xu | 39 xu | 40 xu | 41 xu | 42 xu | 43 xu | 44 xu | 45 xu | 46 xu | 47 xu | 48 xu | 49 xu | 50 xu | 51 xu | 52 xu | 53 xu | 54 xu | 55 xu | 56 xu | 57 xu | 58 xu | 59 xu | 60 xu | 61 xu | 62 xu | 63 xu | 64 xu | 65 xu | 66 xu | 67 xu | 68 xu | 69 xu | 70 xu | 71 xu | 72 xu | 73 xu | 74 xu | 75 xu | 76 xu | 77 xu | 78 xu | 79 xu | 80 xu | 81 xu | 82 xu | 83 xu | 84 xu | 85 xu | 86 xu | 87 xu | 88 xu | 89 xu | 90 xu | 91 xu | 92 xu | 93 xu | 94 xu | 95 xu | 96 xu | 97 xu | 98 xu | 99 xu | 100 xu |
finger | 4.5088863892013 × 10-12 finger (US) | 9.0177727784027 × 10-12 finger (US) | 1.3526659167604 × 10-11 finger (US) | 1.8035545556805 × 10-11 finger (US) | 2.2544431946007 × 10-11 finger (US) | 2.7053318335208 × 10-11 finger (US) | 3.1562204724409 × 10-11 finger (US) | 3.6071091113611 × 10-11 finger (US) | 4.0579977502812 × 10-11 finger (US) | 4.5088863892013 × 10-11 finger (US) | 4.9597750281215 × 10-11 finger (US) | 5.4106636670416 × 10-11 finger (US) | 5.8615523059618 × 10-11 finger (US) | 6.3124409448819 × 10-11 finger (US) | 6.763329583802 × 10-11 finger (US) | 7.2142182227222 × 10-11 finger (US) | 7.6651068616423 × 10-11 finger (US) | 8.1159955005624 × 10-11 finger (US) | 8.5668841394826 × 10-11 finger (US) | 9.0177727784027 × 10-11 finger (US) | 9.4686614173228 × 10-11 finger (US) | 9.919550056243 × 10-11 finger (US) | 1.0370438695163 × 10-10 finger (US) | 1.0821327334083 × 10-10 finger (US) | 1.1272215973003 × 10-10 finger (US) | 1.1723104611924 × 10-10 finger (US) | 1.2173993250844 × 10-10 finger (US) | 1.2624881889764 × 10-10 finger (US) | 1.3075770528684 × 10-10 finger (US) | 1.3526659167604 × 10-10 finger (US) | 1.3977547806524 × 10-10 finger (US) | 1.4428436445444 × 10-10 finger (US) | 1.4879325084364 × 10-10 finger (US) | 1.5330213723285 × 10-10 finger (US) | 1.5781102362205 × 10-10 finger (US) | 1.6231991001125 × 10-10 finger (US) | 1.6682879640045 × 10-10 finger (US) | 1.7133768278965 × 10-10 finger (US) | 1.7584656917885 × 10-10 finger (US) | 1.8035545556805 × 10-10 finger (US) | 1.8486434195726 × 10-10 finger (US) | 1.8937322834646 × 10-10 finger (US) | 1.9388211473566 × 10-10 finger (US) | 1.9839100112486 × 10-10 finger (US) | 2.0289988751406 × 10-10 finger (US) | 2.0740877390326 × 10-10 finger (US) | 2.1191766029246 × 10-10 finger (US) | 2.1642654668166 × 10-10 finger (US) | 2.2093543307087 × 10-10 finger (US) | 2.2544431946007 × 10-10 finger (US) | 2.2995320584927 × 10-10 finger (US) | 2.3446209223847 × 10-10 finger (US) | 2.3897097862767 × 10-10 finger (US) | 2.4347986501687 × 10-10 finger (US) | 2.4798875140607 × 10-10 finger (US) | 2.5249763779528 × 10-10 finger (US) | 2.5700652418448 × 10-10 finger (US) | 2.6151541057368 × 10-10 finger (US) | 2.6602429696288 × 10-10 finger (US) | 2.7053318335208 × 10-10 finger (US) | 2.7504206974128 × 10-10 finger (US) | 2.7955095613048 × 10-10 finger (US) | 2.8405984251969 × 10-10 finger (US) | 2.8856872890889 × 10-10 finger (US) | 2.9307761529809 × 10-10 finger (US) | 2.9758650168729 × 10-10 finger (US) | 3.0209538807649 × 10-10 finger (US) | 3.0660427446569 × 10-10 finger (US) | 3.1111316085489 × 10-10 finger (US) | 3.1562204724409 × 10-10 finger (US) | 3.201309336333 × 10-10 finger (US) | 3.246398200225 × 10-10 finger (US) | 3.291487064117 × 10-10 finger (US) | 3.336575928009 × 10-10 finger (US) | 3.381664791901 × 10-10 finger (US) | 3.426753655793 × 10-10 finger (US) | 3.471842519685 × 10-10 finger (US) | 3.5169313835771 × 10-10 finger (US) | 3.5620202474691 × 10-10 finger (US) | 3.6071091113611 × 10-10 finger (US) | 3.6521979752531 × 10-10 finger (US) | 3.6972868391451 × 10-10 finger (US) | 3.7423757030371 × 10-10 finger (US) | 3.7874645669291 × 10-10 finger (US) | 3.8325534308211 × 10-10 finger (US) | 3.8776422947132 × 10-10 finger (US) | 3.9227311586052 × 10-10 finger (US) | 3.9678200224972 × 10-10 finger (US) | 4.0129088863892 × 10-10 finger (US) | 4.0579977502812 × 10-10 finger (US) | 4.1030866141732 × 10-10 finger (US) | 4.1481754780652 × 10-10 finger (US) | 4.1932643419573 × 10-10 finger (US) | 4.2383532058493 × 10-10 finger (US) | 4.2834420697413 × 10-10 finger (US) | 4.3285309336333 × 10-10 finger (US) | 4.3736197975253 × 10-10 finger (US) | 4.4187086614173 × 10-10 finger (US) | 4.4637975253093 × 10-10 finger (US) | 4.5088863892013 × 10-10 finger (US) |
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 | finger | x units | finger |
---|---|---|---|
1 | ≈ 4.5088863892013E-12 | 4 | ≈ 1.8035545556805E-11 |
1.5 | ≈ 6.763329583802E-12 | 4.5 | ≈ 2.0289988751406E-11 |
2 | ≈ 9.0177727784027E-12 | 5 | ≈ 2.2544431946007E-11 |
2.5 | ≈ 1.1272215973003E-11 | 5.5 | ≈ 2.4798875140607E-11 |
3 | ≈ 1.3526659167604E-11 | 6 | ≈ 2.7053318335208E-11 |
A finger (sometimes fingerbreadth or finger's breadth) is any of several units of measurement that are approximately the width of an adult human finger, including:
The digit, also known as digitus or digitus transversus (Latin), dactyl (Greek) or dactylus, or finger's breadth — 3⁄4 of an inch or 1⁄16 of a foot.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
finger | finger (US) | ≡ 7⁄8 in | = 0.022225 m | Imperial/US |
finger | x units | finger | x units |
---|---|---|---|
1 | ≈ 221784253068.56 | 4 | ≈ 887137012274.22 |
1.5 | ≈ 332676379602.83 | 4.5 | ≈ 998029138808.5 |
2 | ≈ 443568506137.11 | 5 | ≈ 1108921265342.8 |
2.5 | ≈ 554460632671.39 | 5.5 | ≈ 1219813391877.1 |
3 | ≈ 665352759205.67 | 6 | ≈ 1330705518411.3 |
x units | finger |
---|---|
1 | ≈ 4.5088863892013 × 10-12 |
221,784,253,068.56 | ≈ 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 …) |