42 Barns to Square Millimeters
Convert 42 barns (b) to square millimeters (mm²) with formulas, examples, and conversion tables.
b
mm²
42 barns (b) = 4.2e-21 square millimeters (mm²)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 square millimeter = 1e22 barns
2Divide the value by the conversion factor:
42 ÷ 1e22 = 4.2e-21
3Result:
42 barns (b) = 4.2e-21 square millimeters (mm²)
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 |
| 42 b | 4.2e-21 mm² |
| 50 b | 5e-21 mm² |
| 100 b | 1e-20 mm² |
42 Barns in Other Units
| Unit | 42 b = |
|---|---|
| Barns to Square Kilometers | 4.2e-33 km² |
| Barns to Hectares | 4.2e-31 ha |
| Barns to Square Meters | 4.2e-27 m² |
| Barns to Square Centimeters | 4.2e-23 cm² |
| Barns to Square Millimeters | 4.2e-21 mm² |
| Barns to Square Miles | 1.62162906609e-33 mi² |
| Barns to Acres | 1.03784168466e-30 ac |
| Barns to Square Yards | 5.02316035722e-27 yd² |
| Barns to Square Feet | 4.5208443215e-26 ft² |
| Barns to Square Inches | 6.51001302003e-24 in² |
| Barns to Ares | 4.2e-29 a |