# ››Convert square inch to square gigametre

 square inch square gigametre

 Did you mean to convert square inch square inch [survey] to square gigametre

How many square inch in 1 square gigametre? The answer is 1.55000310001E+21.
We assume you are converting between square inch and square gigametre.
You can view more details on each measurement unit:
square inch or square gigametre
The SI derived unit for area is the square meter.
1 square meter is equal to 1550.00310001 square inch, or 1.0E-18 square gigametre.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square inches and square gigameters.
Type in your own numbers in the form to convert the units!

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# ››Definition: Square inch

A square inch is by definition the area enclosed by a square with sides each 1 inch long.

# ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!