Converting from Square chain (ch²) to Square mile (mi²) in Area

What is Square chain (ch²)

Square chain (ch²) is a unit of area commonly used in surveying and land measurement. One square chain is equal to a square with sides that are 1 chain (66 feet) in length, which is equivalent to 4356 square feet.

What is Square mile (mi²)

Square mile (mi²) is a unit of area commonly used in defining the size of land areas. One square mile is equal to a square with sides that are 1 mile (5280 feet) in length, which is equivalent to 640 acres.

Conversion Formulas

The conversion formulas between Square chain (ch²) and Square mile (mi²) are as follows:

• To convert from Square chain to Square mile: mi2=ch2×0.00015625

• To convert from Square mile to Square chain: ch2=mi2×6400

Examples

1. Convert 2 square chains to square miles:

mi2=2×0.00015625=0.0003125 mi2

2. Convert 17 square miles to square chains:

ch2=17×6400=108800 ch2

3. Convert 3 square chains to square miles:

mi2=3×0.00015625=0.00046875 mi2

Use this page to perform converting from Square chain (ch²) to Square mile (mi²) for accurate measurements in land area calculations.