20 Barns to Square Millimeters
Convert 20 barns (b) to square millimeters (mm²) with formulas, examples, and conversion tables.
b
mm²
20 b = 2e-21 mm²
Full precision:2e-21 mm²
Step-by-Step Solution
To convert 20 barns to square millimeters, we divide by 1e+22 because one square millimeter equals exactly 1e+22 barns.
1 square millimeter = 1e+22 barns
Since there are 1e+22 barns in every square millimeter, we divide our value by this factor:
20 ÷ 1e+22 = 2e-21 square millimeters
So 20 barns = 2e-21 square millimeters.
Quick check: 2e-21 × 1e+22 = 20 barns
Barns to Square Millimeters Conversion Table
| Barns | Square Millimeters |
|---|---|
| 1 b | 1e-22 mm² |
| 2 b | 2e-22 mm² |
| 3 b | 3e-22 mm² |
| 4 b | 4e-22 mm² |
| 5 b | 5e-22 mm² |
| 10 b | 1e-21 mm² |
| 20 b | 2e-21 mm² |
| 50 b | 5e-21 mm² |
| 100 b | 1e-20 mm² |
20 Barns in Other Units
| Unit | 20 b = |
|---|---|
| Barns to Square Kilometers | 2e-33 km² |
| Barns to Hectares | 2e-31 ha |
| Barns to Square Meters | 2e-27 m² |
| Barns to Square Centimeters | 2e-23 cm² |
| Barns to Square Millimeters | 2e-21 mm² |
| Barns to Square Miles | 7.722e-34 mi² |
| Barns to Acres | 4.9421e-31 ac |
| Barns to Square Yards | 2.392e-27 yd² |
| Barns to Square Feet | 2.1528e-26 ft² |
| Barns to Square Inches | 3.1e-24 in² |
| Barns to Ares | 2e-29 a |