Barn (b)
A nuclear cross-section unit equal to 10⁻²⁸ m².
Result
1 barn = 1 × 10⁻²⁴ square centimeters
Barn at a glance
| Unit name | Barn (plural: barns) |
|---|---|
| Symbol | b |
| Quantity measured | Area |
| Measurement system | Other |
| Also known as | barns |
| Definition exact? | Yes — exact by definition |
1 barn in other area units
| Unit | 1 b equals |
|---|---|
| Square millimeter | 1 × 10⁻²² mm² |
| Square centimeter | 1 × 10⁻²⁴ cm² |
| Square meter | 1 × 10⁻²⁸ m² |
| Square kilometer | 1 × 10⁻³⁴ km² |
| Square inch | 1.5500031 × 10⁻²⁵ in² |
| Square foot | 1.07639104 × 10⁻²⁷ ft² |
| Square yard | 1.19599005 × 10⁻²⁸ yd² |
| Square mile | 3.86102159 × 10⁻³⁵ mi² |
| Acre | 2.47105381 × 10⁻³² ac |
| Hectare | 1 × 10⁻³² ha |
| Are | 1 × 10⁻³⁰ a |
| Square nautical mile | 2.9155335 × 10⁻³⁵ sq nmi |
Frequently asked questions
- What is a barn?
- A nuclear cross-section unit equal to 10⁻²⁸ m².
- What is the symbol for the barn?
- The symbol for the barn is b. It measures area.
- How many square centimeters are in a barn?
- 1 barn = 1 × 10⁻²⁴ square centimeters.
- How many square meters are in a barn?
- 1 barn = 1 × 10⁻²⁸ square meters.
- How many square inches are in a barn?
- 1 barn = 1.5500031 × 10⁻²⁵ square inches.