Convert 1 mi² to km²

So you want to convert 1 square miles into square kilometers? If you're in a rush and just need the answer, the calculator below is all you need. The answer is 2.58998811 square kilometers.




How to convert square miles to square kilometers

We all use different units of measurement every day. Whether you're in a foreign country and need to convert the local imperial units to metric, or you're baking a cake and need to convert to a unit you are more familiar with.

Luckily, converting most units is very, very simple. In this case, all you need to know is that 1 mi² is equal to 2.58998811 km².

Once you know what 1 mi² is in square kilometers, you can simply multiply 2.58998811 by the total square miles you want to calculate.

So for our example here we have 1 square miles. So all we do is multiply 1 by 2.58998811:

1 x 2.58998811 = 2.58998811

What is the best conversion unit for 1 mi²?

As an added little bonus conversion for you, we can also calculate the best unit of measurement for 1 mi².

What is the "best" unit of measurement? To keep it simple, let's say that the best unit of measure is the one that is the lowest possible without going below 1. The reason for this is that the lowest number generally makes it easier to understand the measurement.

For 1 mi² the best unit of measurement is square miles, and the amount is 1 mi².

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More unit conversions

Hopefully this has helped you to learn about how to convert 1 mi² to km². If you want to calculate more unit conversions, head back to our main unit converter and experiment with different conversions.