Attometer is 1e-18 meter units.
Attometers to Chains Converter — am to ch
Convert Attometer (am) to Chain (ch) using the exact conversion factor (1 attometer = 4.97097e-20 chain). See the formula, worked examples, and conversion table.
Attometers 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-18 / 20.1168.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Attometers to Chains
Attometer and Chain both measure length. Specifically: Attometer is 1e-18 meter units, and a surveyor's chain is 66 feet.
Formula
chains = attometers × 4.97097e-20
This factor comes from each unit's defined relationship to the category's base unit: 1 attometer equals 1e-18 base units, and 1 chain equals 20.1168 base units, so dividing one by the other gives the direct attometer-to-chain factor of 4.97097e-20.
Simple example
1 am × 4.97097e-20 = 4.97097e-20 ch
1 attometer = 4.97097e-20 chains.
Real-world example
10 am × 4.97097e-20 = 4.97097e-19 ch
10 attometers = 4.97097e-19 chains.
Conversion table
| Attometer (am) | Chain (ch) |
|---|---|
| 1 am | 4.97097e-20 ch |
| 5 am | 2.485485e-19 ch |
| 10 am | 4.97097e-19 ch |
| 21.0975 am | 1.04875e-18 ch |
| 42.195 am | 2.097501e-18 ch |
| 100 am | 4.97097e-18 ch |
Reverse conversion: Chain to Attometer
4.97097e-20 ch × 2.01168e+19 = 1.000000093 am
4.97097e-20 chains = 1.000000093 attometers.
attometers = chains × 2.01168e+19
For a page dedicated to this direction, see Chain to Attometer.
Understanding the Attometer (am)
Attometer is 1e-18 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 attometer?
1 attometer equals 4.97097e-20 chains, using the exact defined conversion factor rather than an estimate.
How do I convert attometer to chain?
Multiply the attometer value by 4.97097e-20. The converter above does this instantly to whatever precision you set.
How do I convert chain back to attometer?
Use the reverse factor: 1 chain equals 2.01168e+19 attometers. You can also use the swap control in the converter above to flip the direction instantly.
What is a attometer?
Attometer (am) is a unit of length.
What is a chain?
Chain (ch) is a unit of length.
Is the attometer to chain conversion exact?
Yes. Both attometer and chain are defined by fixed standards rather than physical artifacts, so the factor of 4.97097e-20 used above is exact to as many digits as you choose to display.