Nanometer is 1e-9 meter units.
Nanometers to Chains Converter — nm to ch
Convert Nanometer (nm) to Chain (ch) using the exact conversion factor (1 nanometer = 4.97097e-11 chain). See the formula, worked examples, and conversion table.
Nanometers to Chains converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A surveyor's chain is 66 feet.
Result = input x 1e-9 / 20.1168.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanometers to Chains
Nanometer and Chain both measure length. Specifically: Nanometer is 1e-9 meter units, and a surveyor's chain is 66 feet.
Formula
chains = nanometers × 4.97097e-11
This factor comes from each unit's defined relationship to the category's base unit: 1 nanometer equals 1e-9 base units, and 1 chain equals 20.1168 base units, so dividing one by the other gives the direct nanometer-to-chain factor of 4.97097e-11.
Simple example
1 nm × 4.97097e-11 = 4.97097e-11 ch
1 nanometer = 4.97097e-11 chains.
Real-world example
10 nm × 4.97097e-11 = 4.97097e-10 ch
10 nanometers = 4.97097e-10 chains.
Conversion table
| Nanometer (nm) | Chain (ch) |
|---|---|
| 1 nm | 4.97097e-11 ch |
| 5 nm | 2.485485e-10 ch |
| 10 nm | 4.97097e-10 ch |
| 21.0975 nm | 1.04875e-9 ch |
| 42.195 nm | 2.097501e-9 ch |
| 100 nm | 4.97097e-9 ch |
Reverse conversion: Chain to Nanometer
4.97097e-11 ch × 20116800000 = 1.000000093 nm
4.97097e-11 chains = 1.000000093 nanometers.
nanometers = chains × 20116800000
For a page dedicated to this direction, see Chain to Nanometer.
Understanding the Nanometer (nm)
Nanometer is 1e-9 meter units.
Understanding the Chain (ch)
A surveyor's chain is 66 feet.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many chains are in 1 nanometer?
1 nanometer equals 4.97097e-11 chains, using the exact defined conversion factor rather than an estimate.
How do I convert nanometer to chain?
Multiply the nanometer value by 4.97097e-11. The converter above does this instantly to whatever precision you set.
How do I convert chain back to nanometer?
Use the reverse factor: 1 chain equals 20,116,800,000 nanometers. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanometer?
Nanometer (nm) is a unit of length.
What is a chain?
Chain (ch) is a unit of length.
Is the nanometer to chain conversion exact?
Yes. Both nanometer and chain are defined by fixed standards rather than physical artifacts, so the factor of 4.97097e-11 used above is exact to as many digits as you choose to display.