Square Mile (mi²) to Square Kilometer (km²)

Convert Square Mile (mi²) to Square Kilometer (km²) instantly with our free online converter. Enter a value and get the result immediately — no signup, no ads, works entirely in your browser.

How to use Square Mile to Square Kilometer

1. Enter the value in Square Mile (mi²) in the input field.
2. The result in Square Kilometer (km²) is calculated instantly as you type.
3. Copy the result using the Copy button or click Clear to start over.

What is Square Mile to Square Kilometer?

FAQ

How do I convert Square Mile to Square Kilometer?

Enter the value in Square Mile in the input field above. The equivalent Square Kilometer value will be calculated automatically. Multiply the value in Square Mile by 2.59000 to get Square Kilometer.

What is the formula to convert mi² to km²?

1 mi² = 2.59000 km². Multiply the Square Mile value by 2.59000 to get Square Kilometer.

Is this converter accurate?

Yes, this converter uses standard conversion factors and provides results to high precision. All calculations happen in your browser using JavaScript's floating-point arithmetic.