2 Nanometer to Astronomical Unit
Quick answer
2 Nanometer (nm) equals
1.336917e-20 AU
To convert 2 Nanometers to Astronomical Units, multiply by 6.684587e-21. Therefore, 2 Nanometer (nm) equals 1.336917e-20 Astronomical Unit (AU).
Formula: AU = nm × 6.684587e-21. Calculation: 2 × 6.684587e-21 = 1.336917e-20 AU.
Convert Nanometer (nm) to Astronomical Unit (AU) online with our free unit converter. In length, 1 nm = 6.684587e-21 AU. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Nanometer to Astronomical Unit
- Step 1 — start with the formula. AU = nm × 6.684587e-21
- Step 2 — substitute your figure. 2 nm × 6.684587e-21
- Step 3 — read the result. 2 nm = 1.336917e-20 AU
- Step 4 — check it in reverse. nm = AU × 1.495979e+20 returns 2 nm, which matches the figure you started with.
Length Converter
31 units available
2 nm = 1.336917e-20 AU
Formula:
AU = nm × 6.684587e-21With your value: 2 nm = 1.336917e-20 AU
How big is that?
Everyday references on a logarithmic scale, all expressed in nanometer so you can sanity-check the result.
Other Nanometer to Astronomical Unit conversions
Nanometer to Astronomical Unit Conversion Table
| Nanometer (nm) | Astronomical Unit (AU) |
|---|---|
| 0.5 | 3.342294e-21 |
| 1 | 6.684587e-21 |
| 2 | 1.336917e-20 |
| 5 | 3.342294e-20 |
| 10 | 6.684587e-20 |
| 15 | 1.002688e-19 |
| 20 | 1.336917e-19 |
| 25 | 1.671147e-19 |
| 50 | 3.342294e-19 |
| 100 | 6.684587e-19 |
| 250 | 1.671147e-18 |
| 500 | 3.342294e-18 |
| 1000 | 6.684587e-18 |
Astronomical Unit to Nanometer Conversion Table
| Astronomical Unit (AU) | Nanometer (nm) |
|---|---|
| 0.5 | 7.479894e+19 |
| 1 | 1.495979e+20 |
| 2 | 2.991957e+20 |
| 5 | 7.479894e+20 |
| 10 | 1.495979e+21 |
| 15 | 2.243968e+21 |
| 20 | 2.991957e+21 |
| 25 | 3.739947e+21 |
| 50 | 7.479894e+21 |
| 100 | 1.495979e+22 |
| 250 | 3.739947e+22 |
| 500 | 7.479894e+22 |
| 1000 | 1.495979e+23 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Nanometer (nm)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Astronomical Unit (AU)
Length
The astronomical unit is exactly 149 597 870 700 m (IAU Resolution B2, 2012).
Source: IAU Resolution B2 (2012) — definition of the astronomical unit; IAU B2 (2015) nominal values
International Astronomical Union · Reviewed 2026-07-01
How to Convert Nanometer to Astronomical Unit
To convert from Nanometer (nm) to Astronomical Unit (AU), multiply the value by 6.684587e-21.
Formula: AU = nm × 6.684587e-21
Reverse: nm = AU × 1.495979e+20
Step-by-Step Example
- Start with your value in Nanometer. For example: 5 nm
- Multiply by the conversion factor: 5 x 6.684587e-21
- The result is: 3.342294e-20 AU
Nanometer and Astronomical Unit Relationship
This conversion bridges the Metric (SI) and Astronomical measurement systems, commonly required when translating scientific data, international engineering specifications, or trade standards. Since 1 Nanometer represents a fraction of a Astronomical Unit (1 Astronomical Unit ≈ 1.496e+20 Nanometers), the Astronomical Unit is the larger measurement interval. Understanding the relationship between Nanometer and Astronomical Unit is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Nanometer
The nanometre equals one billionth of a metre and is the standard scale for wavelengths of light and semiconductor process nodes.
Common uses of Nanometer: optics, chip manufacturing, nanotechnology.
About Astronomical Unit
The astronomical unit (AU) is defined as exactly 149,597,870,700 metres, close to the mean Earth–Sun distance. It is the natural yardstick for the Solar System.
Common uses of Astronomical Unit: planetary science, orbital mechanics, astronomy.
Frequently Asked Questions
- What is 2 Nanometer in Astronomical Unit?
- 2 Nanometer equals 1.336917e-20 Astronomical Unit.
- How many Astronomical Units are in 1 Nanometer?
- There are exactly 6.684587e-21 Astronomical Units in 1 Nanometer. This means the conversion factor from Nanometer to Astronomical Unit is 6.684587e-21.
- What is the formula to convert Nanometer to Astronomical Unit?
- The formula to convert Nanometer to Astronomical Unit is: AU = nm × 6.684587e-21. For example, to convert 10 Nanometers to Astronomical Units, you would multiply 10 by 6.684587e-21.
- What is a Nanometer?
- The nanometre equals one billionth of a metre and is the standard scale for wavelengths of light and semiconductor process nodes.
- What is a Astronomical Unit?
- The astronomical unit (AU) is defined as exactly 149,597,870,700 metres, close to the mean Earth–Sun distance. It is the natural yardstick for the Solar System.
- What are the common uses of Nanometer?
- The Nanometer is commonly used in optics, chip manufacturing, nanotechnology.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). 2 Nanometer to Astronomical Unit. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/2-nanometer-to-astronomical_unit