A surveyor's chain is 66 feet.
Chains to Cubits Converter — ch to cubit
Convert Chain (ch) to Cubit (cubit) using the exact conversion factor (1 chain = 44 cubit). See the formula, worked examples, and conversion table.
Chains to Cubits 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 common cubit is approximated as 18 inches.
Result = input x 20.1168 / 0.4572.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Chains to Cubits
Chain and Cubit both measure length. Specifically: A surveyor's chain is 66 feet, and a common cubit is approximated as 18 inches.
Formula
cubits = chains × 44
This factor comes from each unit's defined relationship to the category's base unit: 1 chain equals 20.1168 base units, and 1 cubit equals 0.4572 base units, so dividing one by the other gives the direct chain-to-cubit factor of 44.
Simple example
1 ch × 44 = 44 cubit
1 chain = 44 cubits.
Real-world example
10 ch × 44 = 440 cubit
10 chains = 440 cubits.
Conversion table
| Chain (ch) | Cubit (cubit) |
|---|---|
| 1 ch | 44 cubit |
| 5 ch | 220 cubit |
| 10 ch | 440 cubit |
| 21.0975 ch | 928.29 cubit |
| 42.195 ch | 1,856.58 cubit |
| 100 ch | 4,400 cubit |
Reverse conversion: Cubit to Chain
44 cubit × 0.02272727273 = 1 ch
44 cubits = 1 chain.
chains = cubits × 0.0227272727273
For a page dedicated to this direction, see Cubit to Chain.
Understanding the Chain (ch)
A surveyor's chain is 66 feet.
Understanding the Cubit (cubit)
A common cubit is approximated as 18 inches.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubits are in 1 chain?
1 chain equals 44 cubits, using the exact defined conversion factor rather than an estimate.
How do I convert chain to cubit?
Multiply the chain value by 44. The converter above does this instantly to whatever precision you set.
How do I convert cubit back to chain?
Use the reverse factor: 1 cubit equals 0.0227272727 chains. You can also use the swap control in the converter above to flip the direction instantly.
What is a chain?
Chain (ch) is a unit of length.
What is a cubit?
Cubit (cubit) is a unit of length.
Is the chain to cubit conversion exact?
Yes. Both chain and cubit are defined by fixed standards rather than physical artifacts, so the factor of 44 used above is exact to as many digits as you choose to display.