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 |
quarter | 4.3744531933508 × 10-6 qr. | 8.7489063867017 × 10-6 qr. | 1.3123359580052 × 10-5 qr. | 1.7497812773403 × 10-5 qr. | 2.1872265966754 × 10-5 qr. | 2.6246719160105 × 10-5 qr. | 3.0621172353456 × 10-5 qr. | 3.4995625546807 × 10-5 qr. | 3.9370078740157 × 10-5 qr. | 4.3744531933508 × 10-5 qr. | 4.8118985126859 × 10-5 qr. | 5.249343832021 × 10-5 qr. | 5.6867891513561 × 10-5 qr. | 6.1242344706912 × 10-5 qr. | 6.5616797900262 × 10-5 qr. | 6.9991251093613 × 10-5 qr. | 7.4365704286964 × 10-5 qr. | 7.8740157480315 × 10-5 qr. | 8.3114610673666 × 10-5 qr. | 8.7489063867017 × 10-5 qr. | 9.1863517060367 × 10-5 qr. | 9.6237970253718 × 10-5 qr. | 0.0001006 qr. | 0.0001050 qr. | 0.0001094 qr. | 0.0001137 qr. | 0.0001181 qr. | 0.0001225 qr. | 0.0001269 qr. | 0.0001312 qr. | 0.0001356 qr. | 0.0001400 qr. | 0.0001444 qr. | 0.0001487 qr. | 0.0001531 qr. | 0.0001575 qr. | 0.0001619 qr. | 0.0001662 qr. | 0.0001706 qr. | 0.0001750 qr. | 0.0001794 qr. | 0.0001837 qr. | 0.0001881 qr. | 0.0001925 qr. | 0.0001969 qr. | 0.0002012 qr. | 0.0002056 qr. | 0.0002100 qr. | 0.0002143 qr. | 0.0002187 qr. | 0.0002231 qr. | 0.0002275 qr. | 0.0002318 qr. | 0.0002362 qr. | 0.0002406 qr. | 0.0002450 qr. | 0.0002493 qr. | 0.0002537 qr. | 0.0002581 qr. | 0.0002625 qr. | 0.0002668 qr. | 0.0002712 qr. | 0.0002756 qr. | 0.0002800 qr. | 0.0002843 qr. | 0.0002887 qr. | 0.0002931 qr. | 0.0002975 qr. | 0.0003018 qr. | 0.0003062 qr. | 0.0003106 qr. | 0.0003150 qr. | 0.0003193 qr. | 0.0003237 qr. | 0.0003281 qr. | 0.0003325 qr. | 0.0003368 qr. | 0.0003412 qr. | 0.0003456 qr. | 0.0003500 qr. | 0.0003543 qr. | 0.0003587 qr. | 0.0003631 qr. | 0.0003675 qr. | 0.0003718 qr. | 0.0003762 qr. | 0.0003806 qr. | 0.0003850 qr. | 0.0003893 qr. | 0.0003937 qr. | 0.0003981 qr. | 0.0004024 qr. | 0.0004068 qr. | 0.0004112 qr. | 0.0004156 qr. | 0.0004199 qr. | 0.0004243 qr. | 0.0004287 qr. | 0.0004331 qr. | 0.0004374 qr. |
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 | quarters | micron | quarters |
---|---|---|---|
1 | = 4.3744531933508E-6 | 4 | = 1.7497812773403E-5 |
1.5 | = 6.5616797900262E-6 | 4.5 | = 1.9685039370079E-5 |
2 | = 8.7489063867017E-6 | 5 | = 2.1872265966754E-5 |
2.5 | = 1.0936132983377E-5 | 5.5 | = 2.405949256343E-5 |
3 | = 1.3123359580052E-5 | 6 | = 2.6246719160105E-5 |
The quarter (lit. "one-fourth") is used as the name of several distinct English units based on ¼ sizes of some base unit.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter | qr. | ≡ 1⁄4 yd | = 0.2286 m | Metric system SI |
quarters | micron | quarters | micron |
---|---|---|---|
1 | = 228600 | 4 | = 914400 |
1.5 | = 342900 | 4.5 | = 1028700 |
2 | = 457200 | 5 | = 1143000 |
2.5 | = 571500 | 5.5 | = 1257300 |
3 | = 685800 | 6 | = 1371600 |
micron | quarters |
---|---|
1 | = 4.3744531933508 × 10-6 |
228 600 | = 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 …) |