Quickly convert units of weight, volume, length, temperature, area, data, speed and time. Results update instantly as you type.
How our Square Miles to Square Kilometers unit converter works
To ensure maximum accuracy when converting Square Miles to Square Kilometers, our calculator uses a scientific pivot method. Instead of relying on a potentially inaccurate direct conversion, the system first converts mi2 into the base unit of the International System (the square meter), then recalculates the result into km2. This approach drastically reduces rounding errors.