Surface area of a sphere calculator

This surface area of a sphere calculator below is very simple to use. Just enter the radius of the sphere. Then click on the button that says calculate.

Sphere with pyramid

Enter r, which is the radius of the sphere:  

       

The surface area of the sphere is :  


Instructions for using the calculator

If you know the diameter, but not the radius, just divide the diameter by 2 to get the radius

Do not enter numbers with a slash (/)! If you do, the wrong answer will be computed

Therefore, convert all fractions into decimals before entering numbers

Enjoy the calculator!


Buy a comprehensive geometric formulas ebook. All geometric formulas are explained with well selected word problems so you can master geometry.

Geometry ebook

Surface area of a cylinder calculator

Recent Articles

RSS

  1. Pressure in a Liquid - How to Derive Formula

    Jul 02, 22 07:53 AM

    This lesson will show clearly how to derive the formula to find the pressure in a liquid.

    Read More

Check out some of our top basic mathematics lessons.

Formula for percentage

Types of angles

Area of ​​irregular shapes

Math problem solver

Math skills assessment

Compatible numbers

Surface area of ​​a cube

Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

  1. Click on the HTML link code below.
  2. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.

Homepage

Geometry lessons

Geometry calculator

Surface area of a sphere calculator