Sun Radius

The Sun's radius is one of the most important measurements in astronomy. It serves as a standard reference for comparing the sizes of stars and other celestial objects.

It is approximately 695,700 kilometers or 432,288 miles.

Understanding this measurement is easier with a simple online converter. Using our calculator, you can quickly convert the Sun's radius into miles, kilometers, or other units, making it simple to compare the Sun with planets, stars, or other objects in space.

Fun fact: the Sun's radius is about 109 times larger than Earth's radius, giving a sense of the immense scale of our star.