micron | 1 μm | 2 μm | 3 μm | 4 μm | 5 μm | 6 μm | 7 μm | 8 μm | 9 μm | 10 μm | 11 μm | 12 μm | 13 μm | 14 μm | 15 μm | 16 μm | 17 μm | 18 μm | 19 μm | 20 μm | 21 μm | 22 μm | 23 μm | 24 μm | 25 μm | 26 μm | 27 μm | 28 μm | 29 μm | 30 μm | 31 μm | 32 μm | 33 μm | 34 μm | 35 μm | 36 μm | 37 μm | 38 μm | 39 μm | 40 μm | 41 μm | 42 μm | 43 μm | 44 μm | 45 μm | 46 μm | 47 μm | 48 μm | 49 μm | 50 μm | 51 μm | 52 μm | 53 μm | 54 μm | 55 μm | 56 μm | 57 μm | 58 μm | 59 μm | 60 μm | 61 μm | 62 μm | 63 μm | 64 μm | 65 μm | 66 μm | 67 μm | 68 μm | 69 μm | 70 μm | 71 μm | 72 μm | 73 μm | 74 μm | 75 μm | 76 μm | 77 μm | 78 μm | 79 μm | 80 μm | 81 μm | 82 μm | 83 μm | 84 μm | 85 μm | 86 μm | 87 μm | 88 μm | 89 μm | 90 μm | 91 μm | 92 μm | 93 μm | 94 μm | 95 μm | 96 μm | 97 μm | 98 μm | 99 μm | 100 μm |
cubit | 2.0 × 10-6 cubit | 4.0 × 10-6 cubit | 6.0 × 10-6 cubit | 8.0 × 10-6 cubit | 1.0 × 10-5 cubit | 1.2 × 10-5 cubit | 1.4 × 10-5 cubit | 1.6 × 10-5 cubit | 1.8 × 10-5 cubit | 2.0 × 10-5 cubit | 2.2 × 10-5 cubit | 2.4 × 10-5 cubit | 2.6 × 10-5 cubit | 2.8 × 10-5 cubit | 3.0 × 10-5 cubit | 3.2 × 10-5 cubit | 3.4 × 10-5 cubit | 3.6 × 10-5 cubit | 3.8 × 10-5 cubit | 4.0 × 10-5 cubit | 4.2 × 10-5 cubit | 4.4 × 10-5 cubit | 4.6 × 10-5 cubit | 4.8 × 10-5 cubit | 5.0 × 10-5 cubit | 5.2 × 10-5 cubit | 5.4 × 10-5 cubit | 5.6 × 10-5 cubit | 5.8 × 10-5 cubit | 6.0 × 10-5 cubit | 6.2 × 10-5 cubit | 6.4 × 10-5 cubit | 6.6 × 10-5 cubit | 6.8 × 10-5 cubit | 7.0 × 10-5 cubit | 7.2 × 10-5 cubit | 7.4 × 10-5 cubit | 7.6 × 10-5 cubit | 7.8 × 10-5 cubit | 8.0 × 10-5 cubit | 8.2 × 10-5 cubit | 8.4 × 10-5 cubit | 8.6 × 10-5 cubit | 8.8 × 10-5 cubit | 9.0 × 10-5 cubit | 9.2 × 10-5 cubit | 9.4 × 10-5 cubit | 9.6 × 10-5 cubit | 9.8 × 10-5 cubit | 0.0001 cubit | 0.000102 cubit | 0.000104 cubit | 0.000106 cubit | 0.000108 cubit | 0.00011 cubit | 0.000112 cubit | 0.000114 cubit | 0.000116 cubit | 0.000118 cubit | 0.00012 cubit | 0.000122 cubit | 0.000124 cubit | 0.000126 cubit | 0.000128 cubit | 0.00013 cubit | 0.000132 cubit | 0.000134 cubit | 0.000136 cubit | 0.000138 cubit | 0.00014 cubit | 0.000142 cubit | 0.000144 cubit | 0.000146 cubit | 0.000148 cubit | 0.00015 cubit | 0.000152 cubit | 0.000154 cubit | 0.000156 cubit | 0.000158 cubit | 0.00016 cubit | 0.000162 cubit | 0.000164 cubit | 0.000166 cubit | 0.000168 cubit | 0.00017 cubit | 0.000172 cubit | 0.000174 cubit | 0.000176 cubit | 0.000178 cubit | 0.00018 cubit | 0.000182 cubit | 0.000184 cubit | 0.000186 cubit | 0.000188 cubit | 0.00019 cubit | 0.000192 cubit | 0.000194 cubit | 0.000196 cubit | 0.000198 cubit | 0.0002 cubit |
The micron (SI symbol: μm) or micrometer is an SI derived unit of length equaling 1×10−6 of a metre (SI standard prefix "micro-" = 10−6); that is, one millionth of a metre (or one thousandth of a millimetre, 0.001 mm, or about 0.000039 inch).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
micron | μm | ≡ 1×10−6 m | ≡ 1×10−6 m | Metric system Non-SI |
micron | cubit | micron | cubit |
---|---|---|---|
1 | ≈ 2.0E-6 | 4 | ≈ 8.0E-6 |
1.5 | ≈ 3.0E-6 | 4.5 | ≈ 9.0E-6 |
2 | ≈ 4.0E-6 | 5 | ≈ 1.0E-5 |
2.5 | ≈ 5.0E-6 | 5.5 | ≈ 1.1E-5 |
3 | ≈ 6.0E-6 | 6 | ≈ 1.2E-5 |
The cubit is an ancient unit based on the forearm length from the tip of the middle finger to the bottom of the elbow. Cubits of various lengths were employed in many parts of the world in antiquity, during the Middle Ages and as recently as Early Modern Times. The term is still used in hedge laying, the length of the forearm being frequently used to determine the interval between stakes placed within the hedge.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
cubit | ≡ Distance from fingers to elbow ≈ 18 in | ≈ 0.5 m | Other (Length) |
cubit | micron | cubit | micron |
---|---|---|---|
1 | ≈ 500000 | 4 | ≈ 2000000 |
1.5 | ≈ 750000 | 4.5 | ≈ 2250000 |
2 | ≈ 1000000 | 5 | ≈ 2500000 |
2.5 | ≈ 1250000 | 5.5 | ≈ 2750000 |
3 | ≈ 1500000 | 6 | ≈ 3000000 |
micron | cubit |
---|---|
1 | ≈ 2.0 × 10-6 |
500 000 | ≈ 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 …) |