Sphere Surface Area Calculator

The Sphere Surface Area calculator calculates the area of a sphere by taking its radius as input.

How to use Sphere Surface Area Calculator

Enter ✎ value for radius \((r)\).
The result appears beneath the inputs as you enter values.

About this calculation

The surface area of a sphere is the total area of the outer surface of the spherical shape.

Formula

To calculate the sphere surface area, you can use the following formula.

Surface Area = \(4πr^2\)

where

Calculation

{
  "topic": "sphere-surface-area",
  "input_types": [
    "float"
  ],
  "input_labels": [
    "r"
  ],
  "input_values": [
    "8"
  ],
  "input_units": [
    "units"
  ],
  "input_descriptions": [
    "radius"
  ],
  "examples": [
    {
      "r": 20
    },
    {
      "r": 1
    }
  ],
  "type": "Calculate",
  "title": "Sphere Surface Area",
  "category": "Geometry",
  "shape": "Sphere",
  "formula_mathjax": "\\(4πr^2\\)",
  "formula_mathjax_sub": "\\(4*π* r ^2\\)",
  "formula": "4*Math.PI*( r **2)",
  "op_label": "Surface Area",
  "output_unit": "square units",
  "description": "The Sphere Surface Area calculator calculates the area of a sphere by taking its radius as input.",
  "explanation": "The surface area of a sphere is the total area of the outer surface of the spherical shape."
}