Rontometer is 1e-27 meter units.
Rontometers to Chains Converter — rm to ch
Convert Rontometer (rm) to Chain (ch) using the exact conversion factor (1 rontometer = 4.97097e-29 chain). See the formula, worked examples, and conversion table.
Rontometers 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-27 / 20.1168.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Rontometers to Chains
Rontometer and Chain both measure length. Specifically: Rontometer is 1e-27 meter units, and a surveyor's chain is 66 feet.
Formula
chains = rontometers × 4.97097e-29
This factor comes from each unit's defined relationship to the category's base unit: 1 rontometer equals 1e-27 base units, and 1 chain equals 20.1168 base units, so dividing one by the other gives the direct rontometer-to-chain factor of 4.97097e-29.
Simple example
1 rm × 4.97097e-29 = 4.97097e-29 ch
1 rontometer = 4.97097e-29 chains.
Real-world example
10 rm × 4.97097e-29 = 4.97097e-28 ch
10 rontometers = 4.97097e-28 chains.
Conversion table
| Rontometer (rm) | Chain (ch) |
|---|---|
| 1 rm | 4.97097e-29 ch |
| 5 rm | 2.485485e-28 ch |
| 10 rm | 4.97097e-28 ch |
| 21.0975 rm | 1.04875e-27 ch |
| 42.195 rm | 2.097501e-27 ch |
| 100 rm | 4.97097e-27 ch |
Reverse conversion: Chain to Rontometer
4.97097e-29 ch × 2.01168e+28 = 1.000000093 rm
4.97097e-29 chains = 1.000000093 rontometers.
rontometers = chains × 2.01168e+28
For a page dedicated to this direction, see Chain to Rontometer.
Understanding the Rontometer (rm)
Rontometer is 1e-27 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 rontometer?
1 rontometer equals 4.97097e-29 chains, using the exact defined conversion factor rather than an estimate.
How do I convert rontometer to chain?
Multiply the rontometer value by 4.97097e-29. The converter above does this instantly to whatever precision you set.
How do I convert chain back to rontometer?
Use the reverse factor: 1 chain equals 2.01168e+28 rontometers. You can also use the swap control in the converter above to flip the direction instantly.
What is a rontometer?
Rontometer (rm) is a unit of length.
What is a chain?
Chain (ch) is a unit of length.
Is the rontometer to chain conversion exact?
Yes. Both rontometer and chain are defined by fixed standards rather than physical artifacts, so the factor of 4.97097e-29 used above is exact to as many digits as you choose to display.