Area converter
Barn Converter
Convert barns to square meters for nuclear and particle-physics cross sections.
From
To
Result
1 b = 1.000000e-28 m²
Also equals
1.000000e-28m²
1.076391e-27ft²
2.471054e-32ac
1.000000e-32ha
1.000000e-34km²
3.861022e-35mi²
1.195990e-28yd²
Conversion formula
m² = barn × 10⁻²⁸1 barn equals 1.00000000e-28 m².
Barn to Square Meter table
| Barn (b) | Square Meter (m²) |
|---|---|
| 100,000,000,000,000,000,000,000 | 0.00001 |
| 1,000,000,000,000,000,000,000,000 | 0.0001 |
| 10,000,000,000,000,000,000,000,000 | 0.001 |
| 20,000,000,000,000,000,000,000,000 | 0.002 |
| 30,000,000,000,000,000,000,000,000 | 0.003 |
| 50,000,000,000,000,000,000,000,000 | 0.005 |
| 100,000,000,000,000,000,000,000,000 | 0.01 |
| 200,000,000,000,000,000,000,000,000 | 0.02 |
| 500,000,000,000,000,000,000,000,000 | 0.05 |
| 1,000,000,000,000,000,000,000,000,000 | 0.1 |
| 10,000,000,000,000,000,000,000,000,000 | 1 |
About this conversion
This converter uses the displayed definition for barn and its recognized relationship to square meter. Calculations retain full precision internally, and only the visible result is rounded. Regional land units can vary, so use the labeled definition that matches the relevant jurisdiction.
Convert Barn to other area units
Barn to Square MillimeterBarn to Square CentimeterBarn to Square MeterBarn to Square KilometerBarn to Square InchBarn to Square FootBarn to Square YardBarn to Square MileBarn to AcreBarn to HectareBarn to AreBarn to CentBarn to DecimalBarn to GunthaBarn to Ground (2,400 ft²)Barn to Kanal (5,445 ft²)Barn to Marla (272.25 ft²)Barn to Bigha (Bangladesh)Barn to Katha (Bangladesh)Barn to ShotangshoBarn to RoodBarn to Survey Township
Frequently asked questions
How is Barn defined here?+
Barn is treated as 1.00000000e-28 square meters. The displayed definition is used consistently in both directions.
Can regional land units vary?+
Yes. Regional units can vary by country and locality. Always choose the labeled definition that matches the relevant land record or jurisdiction.
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