Calculate Surface Area & Volume of a Sphere

How to Use the Sphere Calculator?

To calculate the surface area and volume of a sphere, follow these steps:

  1. Enter the sphere's radius in the input field.
  2. Select the desired unit (mm, cm, m).
  3. Click 'Calculate' to get the results.
  4. Click 'Clear' to reset the form.

Sphere Formulas

  • Surface Area: \( A = 4 \times \pi \times r^2 \)
  • Volume: \( V = \frac{4}{3} \times \pi \times r^3 \)

Real-World Applications

  • Astronomy: Calculating the size of planets and stars.
  • Engineering: Designing spherical structures.
  • Daily Life: Measuring volumes of spherical objects like balls.