Convert 1 Square Mile to Square Kilometer (1 sq mi to km²)
Need to convert 1 Square Mile (sq mi) to Square Kilometer (km²)? You're in the right place! On this page, you'll find the exact conversion of 1 sq mi to km² along with a detailed explanation, reverse formula, related tools, and frequently asked questions.

Result: 1 square mile is equal to 2.58998811 square kilometer
Need to convert 1 Square Mile (sq mi) to Square Kilometer (km²)? You're in the right place! On this page, you'll find the exact conversion of 1 sq mi to km² along with a detailed explanation, reverse formula, related tools, and frequently asked questions.
1 Square Mile to Square Kilometer Conversion Details
The square mile (sq mi) and square kilometer (km²) are both units of area. To convert between them, a precise conversion factor is required.
Square Mile to Square Kilometer Conversion Formula
One square mile is equal to 2.58998811 square kilometer.
Manual Calculation to Convert 1 sq mi to km²
To convert 1 square mile to square kilometer, multiply the value by the conversion factor: 2.58998811. As one square mile is equal to 2.58998811 square kilometer, therefore,
1 sq mi x 2.58998811 = 2.58998811 square kilometer
So, 1 square mile = 2.58998811 square kilometer
Explore More on Square Mile and Square Kilometer
This page covers only the specific case of 1 sq mi to square kilometer. For other conversions, try our general tool:
Frequently Asked Questions
What is 1 square mile in square kilometer?
1 sq mi is equal to 2.58998811 square kilometer.
How much is 1 sq mi to 1 square kilometer?
1 sq mi to square kilometer = 2.58998811 square kilometer.
What is the value of 1 sq mi into square kilometer?
There are 2.58998811 square kilometer in 1 square mile.
How to calculate 1 sq mi to square kilometer?
1 square mile is equivalent to 2.58998811 square kilometer.
How big is 1 sq mi in square kilometer?
There are 2.58998811 square kilometer in 1 square mile.
What area is 1 square mile in square kilometer?
1 square mile = 2.58998811 square kilometer.
What is 1 square mile in area?
1 square mile is equal to 2.58998811 square kilometer.
How much is 1 sq mi in square kilometer?
2.58998811 square kilometer is the result if we convert 1 sq mi to square kilometer.