Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert barn (b) to square decimetre (dm²). Enter a value for an instant result, or use the examples and reverse conversion below.
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a barn value to calculate square decimetre with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| square micrometrefrom b | µm² | 1e-16 |
| square millimetrefrom b | mm² | 1e-22 |
| square centimetrefrom b | cm² | 1e-24 |
| square decimetrefrom b | dm² | 1e-26 |
| square metrefrom b | m² | 1e-28 |
| arefrom b | a | 1e-30 |
| hectarefrom b | ha | 1e-32 |
| square kilometrefrom b | km² | 1e-34 |
| square inchfrom b | in² | 1.55e-25 |
| square footfrom b | ft² | 1.07639e-27 |
| square yardfrom b | yd² | 1.19599e-28 |
| acrefrom b | acre | 2.47105e-32 |
| square milefrom b | mi² | 3.86102e-35 |
| barnfrom b | b | 1 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Barn (b) and square decimetre (dm²) are units of area. Use this page to convert in either direction.
| Barn (b) | Square Decimetre (dm²) |
|---|---|
| 1 b | 1e-26 dm² |
| 5 b | 5e-26 dm² |
| 10 b | 1e-25 dm² |
| 100 b | 1e-24 dm² |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
dm² to b (square decimetre to barn)