Convert square chain to square nanometer
Please provide values below to convert square chain [ch^2] to square nanometer [nm^2], or Convert square nanometer to square chain.
How to Convert Square Chain to Square Nanometer
1 ch^2 = 4.0468564224e+20 nm^2
Example: convert 15 ch^2 to nm^2:
15 ch^2 = 15 × 4.0468564224e+20 nm^2 = 6.0702846336e+21 nm^2
Square Chain to Square Nanometer Conversion Table
| square chain | square nanometer |
|---|
Square Chain
A square chain (ch^2) is a unit of area equal to the area of a square with sides measuring one chain (66 feet) each, equivalent to 4356 square feet.
History/Origin
The square chain originated in land measurement practices in England, particularly used in surveying and land division during the 19th century, especially in the context of the Imperial system.
Current Use
Today, the square chain is largely obsolete and rarely used outside historical or land survey contexts; modern measurements typically employ acres or square meters.
Square Nanometer
A square nanometer (nm^2) is a unit of area equal to the area of a square with sides measuring one nanometer each.
History/Origin
The nanometer as a unit of length has been used since the development of nanotechnology in the late 20th century, with the concept of measuring extremely small areas like nm^2 emerging alongside advancements in microscopy and nanoscience.
Current Use
Square nanometers are primarily used in nanotechnology, materials science, and semiconductor industries to quantify extremely small surface areas, such as the dimensions of nanomaterials, thin films, and microscopic structures.