›› Convert square metre to barn

square meters

›› More information from the unit converter

How many square meters in 1 barn? The answer is 1.0E-28.
We assume you are converting between square metre and barn.
You can view more details on each measurement unit:
square meters or barn
The SI derived unit for area is the square meter.
1 square meter is equal to 1.0E+28 barn.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square meters and barns.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of square meters to barn

1 square meters to barn = 1.0E+28 barn

2 square meters to barn = 2.0E+28 barn

3 square meters to barn = 3.0E+28 barn

4 square meters to barn = 4.0E+28 barn

5 square meters to barn = 5.0E+28 barn

6 square meters to barn = 6.0E+28 barn

7 square meters to barn = 7.0E+28 barn

8 square meters to barn = 8.0E+28 barn

9 square meters to barn = 9.0E+28 barn

10 square meters to barn = 1.0E+29 barn

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›› Common area conversions

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›› Definition: Square meter

A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. It is the SI unit of area. It is abbreviated m².

›› Definition: Barn

A barn is a unit of area, abbreviated mostly as "bn", equal to 10-28 m2. Although not an official SI unit, it is widely used by nuclear physicists, since it is convenient for expressing the cross sectional area of nuclei and nuclear reactions. A barn is approximately equal to the area of a uranium nucleus.

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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!