Square miles to Square kilometres Converter
Convert square miles to square kilometres (sq mi to sq km) instantly. 1 square miles equals 2.589988 square kilometres and 1 square kilometres equals 0.386102 square miles. Use the swap button to convert the other way.
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- No signup
- Private: runs in your browser
- Works on mobile
Square miles to Square kilometres Converter tool
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Quick conversion table
| Square miles | Square kilometres |
|---|---|
| 1 | 2.589988 |
| 2 | 5.179976 |
| 5 | 12.949941 |
| 10 | 25.899881 |
| 25 | 64.749703 |
| 50 | 129.499406 |
| 100 | 258.998811 |
| 1,000 | 2,589.98811 |
How to use Square miles to Square kilometres Converter
- Type the value you want to convert.
- Choose the "from" and "to" units, or press Swap units.
- Read the converted value and copy it.
Why use DocConvertPRO?
- Free to use with no signup or watermark.
- Everything runs in your browser. Your input is not uploaded.
- Works on phones, tablets and computers.
- Made for Indian users: rupees, lakh/crore formats and local use cases.
About this tool
Multiply the value in square miles by 2.589988 to get square kilometres.
Land units such as gunta, cent, marla and kanal are used in different states and their local values can differ slightly. This converter uses the commonly accepted values (1 gunta = 1,089 sq ft, 1 cent = 435.6 sq ft, 1 marla = 272.25 sq ft). Always confirm with your land records.
Frequently asked questions
How many square kilometres are in 1 square miles?
1 square miles = 2.589988 square kilometres.
How do I convert sq mi to sq km?
Multiply the value in square miles by 2.589988 to get square kilometres.
How do I convert sq km back to sq mi?
Use the swap button above or open the Square kilometres to Square miles converter. 1 square kilometres = 0.386102 square miles.
Is this converter accurate?
It uses exact or internationally standard conversion factors and shows up to 10 significant digits.