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 |
foot, metric (long) | 3.0063 × 10-13 lmf | 6.0126 × 10-13 lmf | 9.0189 × 10-13 lmf | 1.20252 × 10-12 lmf | 1.50315 × 10-12 lmf | 1.80378 × 10-12 lmf | 2.10441 × 10-12 lmf | 2.40504 × 10-12 lmf | 2.70567 × 10-12 lmf | 3.0063 × 10-12 lmf | 3.30693 × 10-12 lmf | 3.60756 × 10-12 lmf | 3.90819 × 10-12 lmf | 4.20882 × 10-12 lmf | 4.50945 × 10-12 lmf | 4.81008 × 10-12 lmf | 5.11071 × 10-12 lmf | 5.41134 × 10-12 lmf | 5.71197 × 10-12 lmf | 6.0126 × 10-12 lmf | 6.31323 × 10-12 lmf | 6.61386 × 10-12 lmf | 6.91449 × 10-12 lmf | 7.21512 × 10-12 lmf | 7.51575 × 10-12 lmf | 7.81638 × 10-12 lmf | 8.11701 × 10-12 lmf | 8.41764 × 10-12 lmf | 8.71827 × 10-12 lmf | 9.0189 × 10-12 lmf | 9.31953 × 10-12 lmf | 9.62016 × 10-12 lmf | 9.92079 × 10-12 lmf | 1.022142 × 10-11 lmf | 1.052205 × 10-11 lmf | 1.082268 × 10-11 lmf | 1.112331 × 10-11 lmf | 1.142394 × 10-11 lmf | 1.172457 × 10-11 lmf | 1.20252 × 10-11 lmf | 1.232583 × 10-11 lmf | 1.262646 × 10-11 lmf | 1.292709 × 10-11 lmf | 1.322772 × 10-11 lmf | 1.352835 × 10-11 lmf | 1.382898 × 10-11 lmf | 1.412961 × 10-11 lmf | 1.443024 × 10-11 lmf | 1.473087 × 10-11 lmf | 1.50315 × 10-11 lmf | 1.533213 × 10-11 lmf | 1.563276 × 10-11 lmf | 1.593339 × 10-11 lmf | 1.623402 × 10-11 lmf | 1.653465 × 10-11 lmf | 1.683528 × 10-11 lmf | 1.713591 × 10-11 lmf | 1.743654 × 10-11 lmf | 1.773717 × 10-11 lmf | 1.80378 × 10-11 lmf | 1.833843 × 10-11 lmf | 1.863906 × 10-11 lmf | 1.893969 × 10-11 lmf | 1.924032 × 10-11 lmf | 1.954095 × 10-11 lmf | 1.984158 × 10-11 lmf | 2.014221 × 10-11 lmf | 2.044284 × 10-11 lmf | 2.074347 × 10-11 lmf | 2.10441 × 10-11 lmf | 2.134473 × 10-11 lmf | 2.164536 × 10-11 lmf | 2.194599 × 10-11 lmf | 2.224662 × 10-11 lmf | 2.254725 × 10-11 lmf | 2.284788 × 10-11 lmf | 2.314851 × 10-11 lmf | 2.344914 × 10-11 lmf | 2.374977 × 10-11 lmf | 2.40504 × 10-11 lmf | 2.435103 × 10-11 lmf | 2.465166 × 10-11 lmf | 2.495229 × 10-11 lmf | 2.525292 × 10-11 lmf | 2.555355 × 10-11 lmf | 2.585418 × 10-11 lmf | 2.615481 × 10-11 lmf | 2.645544 × 10-11 lmf | 2.675607 × 10-11 lmf | 2.70567 × 10-11 lmf | 2.735733 × 10-11 lmf | 2.765796 × 10-11 lmf | 2.795859 × 10-11 lmf | 2.825922 × 10-11 lmf | 2.855985 × 10-11 lmf | 2.886048 × 10-11 lmf | 2.916111 × 10-11 lmf | 2.946174 × 10-11 lmf | 2.976237 × 10-11 lmf | 3.0063 × 10-11 lmf |
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 | feet, metric (long) | x units | feet, metric (long) |
---|---|---|---|
1 | ≈ 3.0063E-13 | 4 | ≈ 1.20252E-12 |
1.5 | ≈ 4.50945E-13 | 4.5 | ≈ 1.352835E-12 |
2 | ≈ 6.0126E-13 | 5 | ≈ 1.50315E-12 |
2.5 | ≈ 7.51575E-13 | 5.5 | ≈ 1.653465E-12 |
3 | ≈ 9.0189E-13 | 6 | ≈ 1.80378E-12 |
A foot, metric (long) is the unit of length.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
foot, metric (long) | lmf | ≡ 1⁄3 m | ≈ 0.3 m | Metric system SI |
feet, metric (long) | x units | feet, metric (long) | x units |
---|---|---|---|
1 | ≈ 3326348002528 | 4 | ≈ 13305392010112 |
1.5 | ≈ 4989522003792 | 4.5 | ≈ 14968566011376 |
2 | ≈ 6652696005056 | 5 | ≈ 16631740012640 |
2.5 | ≈ 8315870006320.1 | 5.5 | ≈ 18294914013904 |
3 | ≈ 9979044007584.1 | 6 | ≈ 19958088015168 |
x units | feet, metric (long) |
---|---|
1 | ≈ 3.0063 × 10-13 |
3 326 348 002 528 | ≈ 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 …) |