Nanometers to Micrometers Converter
Enter the length in nanometers below to convert it to micrometers.
Convert Nanometers to Micrometers
Enter a value in nanometers (nm) to convert to micrometers (µm).
Nanometers to Micrometers Conversion Chart (1–40 Continuous)
Continuous 1 to 40 nanometers lookup table with exact decimals and reduced nearest 1/64 fractions. Highlighted rows mark common shop and ruler values.
| Nanometers (nm) | Decimal (µm) | Fraction — Nearest 1/64 (Reduced) | Nearest 1/16 (Tape) |
|---|---|---|---|
1 nm★ Common | 0.001 µm | 0 µm | 0 µm |
2 nm★ Common | 0.002 µm | 0 µm | 0 µm |
3 nm★ Common | 0.003 µm | 0 µm | 0 µm |
4 nm | 0.004 µm | 0 µm | 0 µm |
5 nm★ Common | 0.005 µm | 0 µm | 0 µm |
6 nm★ Common | 0.006 µm | 0 µm | 0 µm |
7 nm | 0.007 µm | 0 µm | 0 µm |
8 nm★ Common | 0.008 µm | 1/64 µm | 0 µm |
9 nm | 0.009 µm | 1/64 µm | 0 µm |
10 nm★ Common | 0.01 µm | 1/64 µm | 0 µm |
11 nm | 0.011 µm | 1/64 µm | 0 µm |
12 nm★ Common | 0.012 µm | 1/64 µm | 0 µm |
How to Convert Nanometers to Micrometers
To convert nanometers to micrometers, multiply the length by the following conversion ratio: 0.001 micrometers/nanometer.
Since one nanometer is equal to 0.001 micrometers, you can use this simple formula to convert:
The length in micrometers is equal to the length in nanometers multiplied by 0.001.
For example, here's how to convert 5 nanometers to micrometers using the formula above.
How Many Micrometers Are in a Nanometer?
There are 0.001 micrometers in a nanometer, which is why we use this value in the formula above.
Our nanometer fraction and decimal calculator can convert nanometers and micrometers, and it automatically converts the results to US customary, imperial, and SI metric values.
Nanometers and micrometers are both units used to measure length. Keep reading to learn more about each unit.
How to Convert Nanometers to Fractional Inches (1/16″, 1/32″ & 1/64″)
Plain-language method for turning decimal inches into a standard tape-measure or machinist ruler fraction
Calculators give you a decimal number (such as 0 in), but tape measures and woodworking rulers are marked in binary fractions of an inch—most commonly 1/16″ on carpenter tapes, 1/32″ on fine woodworking rules, and 1/64″ on machinist scales.
Here is the step-by-step worked example for converting 5 nanometers (nm) into fractional inches:
- Find the decimal inches result: Convert 5 nm to inches to get 0 in.
- Separate the whole inches from the decimal part: Keep the whole number 0 aside, leaving the decimal remainder 0.
- Multiply the decimal part by your desired fraction denominator (16, 32, or 64) and round half up: Multiply 0 by 16, 32, or 64, then round to the nearest whole number (values ending in .5 round up).
- Reduce the fraction to lowest terms: If the rounded top number (numerator) is even, divide both top and bottom by 2 (or their Greatest Common Divisor) until the top number is odd, then combine with your whole inches.
What Is a Nanometer?
One nanometer is equal to one-billionth (1/1,000,000,000) of a meter, which is defined as the distance light travels in a vacuum in a 1/299,792,458 second time interval. [1]
The nanometer, or nanometre, is a multiple of the meter, the SI base unit for length. In the metric system, "nano" is the prefix for billionths, or 10⁻⁹. Nanometers can be abbreviated as nm; for example, 1 nanometer can be written as 1 nm.
Because 1 inch equals 25.4 millimeters and 1 millimeter equals 1,000,000 nanometers, there are exactly 25,400,000 nanometers in 1 inch (and 10 Angstroms in 1 nanometer).
The nanometer is an extremely small unit of length measurement, often used to measure things that are very small, such as the wavelengths of visible light (400 nm to 700 nm), the transistors and electrical pathways in computer processors, and thin-film nanotechnology.
What Is a Micrometer?
A micrometer is a unit of length equal to 1/1,000,000 of a meter (0.000001 m). One millionth of a meter (10⁻⁶ m), also known as a micron. [2]
The micrometer is classified as a metric and SI-compatible unit of length. Micrometers can be abbreviated as µm; for example, 1 micrometer can be written as 1 µm.
In the metric system, "micro" is the standard SI prefix for millionths, or 10⁻⁶. This makes the micrometer (µm) a convenient decimal multiple of the meter (m).
In practice, micrometers (µm) are widely used across fine-tolerance laboratory, analytical, and micro-scale length measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting length between nanometers (nm) and micrometers (µm), keep full floating-point precision (1 nm = 0.001 µm; 1 µm = 1,000 nm) during intermediate calculations and round only the final micrometer figure to match your instrument tolerance.
More Nanometer & Micrometer Conversions
Need to calculate in the opposite direction? Use our micrometers to nanometers calculator to switch your starting unit immediately. You can also explore related tools such as converting micrometers to nanometers, converting inches to micrometers, or converting nanometers to inches.
Convert from Nanometers
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Length Metrology Standard — Nanometers (nm) to Micrometers (µm)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: Nanometer (nm) & Micrometer (Micron) (µm)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (nm to µm)