Square Mile (mi²)
Convert Square Mile to Other Units
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About the Square Mile
Unit Details
Quick Conversions
Reference Chart
Square Mile Reference Chart - Area Conversions
Interactive conversion chart showing area unit relationships. Compare 8 common units with precise calculations.
| Unit | Symbol | Equivalent to 1 ac, A |
|---|---|---|
| AcreBase Unit | ac, A | 1 |
| Are | a | 0.024711 |
| Arpent | arp | 0.998623 |
| Barn | b | 2.471E-32 |
| Circular Inch | circ in | 1.252E-7 |
| Circular Mil | cmil | 1.252E-13 |
| Cuerda | cda | 0.971222 |
| Hectare | ha | 2.471054 |
Quick Reference
About Area
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Conversion Accuracy
All conversions use official conversion factors and are calculated with maximum precision to ensure professional-grade accuracy.
Comparison Table
Square Mile Comparison Table
Compare Square Mile values with 6 other area units. Quick reference for common conversion values.
| Square Mile (mi²) | Acre (ac, A) | Are (a) | Arpent (arp) | Barn (b) | Circular Inch (circ in) | Circular Mil (cmil) |
|---|---|---|---|---|---|---|
| 1 | 640 | 25,899.879161 | 640.882752 | 2.59E34 | 5.111E9 | 5.111E15 |
| 5 | 3,200 | 129,499.395804 | 3,204.41376 | 1.295E35 | 2.556E10 | 2.556E16 |
| 10 | 6,400 | 258,998.791609 | 6,408.827519 | 2.59E35 | 5.111E10 | 5.111E16 |
| 25 | 16,000 | 647,496.979022 | 16,022.068798 | 6.475E35 | 1.278E11 | 1.278E17 |
| 50 | 32,000 | 1.295E6 | 32,044.137595 | 1.295E36 | 2.556E11 | 2.556E17 |
| 100 | 64,000 | 2.59E6 | 64,088.27519 | 2.59E36 | 5.111E11 | 5.111E17 |
How to Use This Table
Find the value in Square Mile in the first column, then read across to see the equivalent values in other area units.
Precision Note
All conversions are calculated using precise conversion factors with locale-appropriate number formatting for optimal readability.
About the Square Mile
The Square Mile (mi²) is a unit of area measurement. Use our converter above to convert Square Mile to any other area unit instantly