420 Barns to Square Millimeters
Convert 420 barns (b) to square millimeters (mm²) with formulas, examples, and conversion tables.
b
mm²
420 barns (b) = 4.2e-20 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:
420 ÷ 1e22 = 4.2e-20
3Result:
420 barns (b) = 4.2e-20 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 |
| 50 b | 5e-21 mm² |
| 100 b | 1e-20 mm² |
| 420 b | 4.2e-20 mm² |
420 Barns in Other Units
| Unit | 420 b = |
|---|---|
| Barns to Square Kilometers | 4.2e-32 km² |
| Barns to Hectares | 4.2e-30 ha |
| Barns to Square Meters | 4.2e-26 m² |
| Barns to Square Centimeters | 4.2e-22 cm² |
| Barns to Square Millimeters | 4.2e-20 mm² |
| Barns to Square Miles | 1.62162906609e-32 mi² |
| Barns to Acres | 1.03784168466e-29 ac |
| Barns to Square Yards | 5.02316035722e-26 yd² |
| Barns to Square Feet | 4.5208443215e-25 ft² |
| Barns to Square Inches | 6.51001302003e-23 in² |
| Barns to Ares | 4.2e-28 a |