A nanometer is an incredibly small unit of length in the metric system, representing one billionth of a meter (1 nm = 1 x 10^-9 meters). To put it into perspective, if a human hair were as wide as the Earth, a nanometer would be about the size of a marble. This unit is essential in fields like nanotechnology and biology, where it measures atomic and molecular structures.
Historically, scientists have delved into the nanometer scale to manipulate materials at the atomic level, leading to groundbreaking innovations such as quantum dots and targeted drug delivery systems. Interestingly, the wavelength of visible light ranges from about 400 to 700 nanometers, which is why nanotechnology can manipulate light for applications like creating more vivid screen displays.
The inch, once the size of a barleycorn kernel, has fascinating origins. Early English measurement systems based it on the width of a man’s thumb. In the 14th century, King Edward II of England formalized it, defining an inch as the length of three barleycorns laid end to end. Historically, the inch was crucial for countless innovations, especially in Anglo-Saxon countries, influencing everything from watchmaking to industrial design.
Today, the inch still plays an integral role in areas like screen sizes and standardized paper dimensions, delighting both tech enthusiasts and everyday users. Interestingly, in surveying, an inch is divided into hundredths in the US, showing its adaptability in precision tasks. Despite the global shift towards the metric system, the inch endures, showcasing its resilience and continued relevance.
| Nanometers | Inches |
|---|---|
0
nm
|
0
in
|
10000
nm
|
0.000393701
in
|
20000
nm
|
0.000787402
in
|
30000
nm
|
0.0011811
in
|
40000
nm
|
0.0015748
in
|
50000
nm
|
0.0019685
in
|
60000
nm
|
0.0023622
in
|
70000
nm
|
0.00275591
in
|
80000
nm
|
0.00314961
in
|
90000
nm
|
0.00354331
in
|
100000
nm
|
0.00393701
in
|
110000
nm
|
0.00433071
in
|
120000
nm
|
0.00472441
in
|
130000
nm
|
0.00511811
in
|
140000
nm
|
0.00551181
in
|
150000
nm
|
0.00590551
in
|
160000
nm
|
0.00629921
in
|
170000
nm
|
0.00669291
in
|
180000
nm
|
0.00708661
in
|
190000
nm
|
0.00748032
in
|
200000
nm
|
0.00787402
in
|
210000
nm
|
0.00826772
in
|
220000
nm
|
0.00866142
in
|
230000
nm
|
0.00905512
in
|
240000
nm
|
0.00944882
in
|
250000
nm
|
0.00984252
in
|
260000
nm
|
0.0102362
in
|
270000
nm
|
0.0106299
in
|
280000
nm
|
0.0110236
in
|
290000
nm
|
0.0114173
in
|
300000
nm
|
0.011811
in
|
310000
nm
|
0.0122047
in
|
320000
nm
|
0.0125984
in
|
330000
nm
|
0.0129921
in
|
340000
nm
|
0.0133858
in
|
350000
nm
|
0.0137795
in
|
360000
nm
|
0.0141732
in
|
370000
nm
|
0.0145669
in
|
380000
nm
|
0.0149606
in
|
390000
nm
|
0.0153543
in
|
400000
nm
|
0.015748
in
|
410000
nm
|
0.0161417
in
|
420000
nm
|
0.0165354
in
|
430000
nm
|
0.0169291
in
|
440000
nm
|
0.0173228
in
|
450000
nm
|
0.0177165
in
|
460000
nm
|
0.0181102
in
|
470000
nm
|
0.0185039
in
|
480000
nm
|
0.0188976
in
|
490000
nm
|
0.0192913
in
|
500000
nm
|
0.019685
in
|
510000
nm
|
0.0200787
in
|
520000
nm
|
0.0204724
in
|
530000
nm
|
0.0208661
in
|
540000
nm
|
0.0212598
in
|
550000
nm
|
0.0216535
in
|
560000
nm
|
0.0220472
in
|
570000
nm
|
0.0224409
in
|
580000
nm
|
0.0228346
in
|
590000
nm
|
0.0232283
in
|
600000
nm
|
0.023622
in
|
610000
nm
|
0.0240157
in
|
620000
nm
|
0.0244094
in
|
630000
nm
|
0.0248032
in
|
640000
nm
|
0.0251969
in
|
650000
nm
|
0.0255906
in
|
660000
nm
|
0.0259843
in
|
670000
nm
|
0.026378
in
|
680000
nm
|
0.0267717
in
|
690000
nm
|
0.0271654
in
|
700000
nm
|
0.0275591
in
|
710000
nm
|
0.0279528
in
|
720000
nm
|
0.0283465
in
|
730000
nm
|
0.0287402
in
|
740000
nm
|
0.0291339
in
|
750000
nm
|
0.0295276
in
|
760000
nm
|
0.0299213
in
|
770000
nm
|
0.030315
in
|
780000
nm
|
0.0307087
in
|
790000
nm
|
0.0311024
in
|
800000
nm
|
0.0314961
in
|
810000
nm
|
0.0318898
in
|
820000
nm
|
0.0322835
in
|
830000
nm
|
0.0326772
in
|
840000
nm
|
0.0330709
in
|
850000
nm
|
0.0334646
in
|
860000
nm
|
0.0338583
in
|
870000
nm
|
0.034252
in
|
880000
nm
|
0.0346457
in
|
890000
nm
|
0.0350394
in
|
900000
nm
|
0.0354331
in
|
910000
nm
|
0.0358268
in
|
920000
nm
|
0.0362205
in
|
930000
nm
|
0.0366142
in
|
940000
nm
|
0.0370079
in
|
950000
nm
|
0.0374016
in
|
960000
nm
|
0.0377953
in
|
970000
nm
|
0.038189
in
|
980000
nm
|
0.0385827
in
|
990000
nm
|
0.0389764
in
|
1000000
nm
|
0.0393701
in
|
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