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Surface Area of a Sphere Solution

STEP 0: Pre-Calculation Summary
Formula Used
surface_area = 4*pi*Radius^2
SA = 4*pi*r^2
This formula uses 1 Constants, 1 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Variables Used
Radius - Radius is a radial line from the focus to any point of a curve. (Measured in Centimeter)
STEP 1: Convert Input(s) to Base Unit
Radius: 18 Centimeter --> 0.18 Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
SA = 4*pi*r^2 --> 4*pi*0.18^2
Evaluating ... ...
SA = 0.407150407905237
STEP 3: Convert Result to Output's Unit
0.407150407905237 Square Meter --> No Conversion Required
FINAL ANSWER
0.407150407905237 Square Meter <-- Surface Area
(Calculation completed in 00.031 seconds)

11 Other formulas that you can solve using the same Inputs

Total Surface Area of a Cone
total_surface_area = pi*Radius*(Radius+sqrt(Radius^2+Height^2)) Go
Lateral Surface Area of a Cone
lateral_surface_area = pi*Radius*sqrt(Radius^2+Height^2) Go
Surface Area of a Capsule
surface_area = 2*pi*Radius*(2*Radius+Side) Go
Volume of a Capsule
volume = pi*(Radius)^2*((4/3)*Radius+Side) Go
Volume of a Circular Cone
volume = (1/3)*pi*(Radius)^2*Height Go
Volume of a Circular Cylinder
volume = pi*(Radius)^2*Height Go
Base Surface Area of a Cone
base_surface_area = pi*Radius^2 Go
Top Surface Area of a Cylinder
top_surface_area = pi*Radius^2 Go
Area of a Circle when radius is given
area_of_circle = pi*Radius^2 Go
Volume of a Hemisphere
volume = (2/3)*pi*(Radius)^3 Go
Volume of a Sphere
volume = (4/3)*pi*(Radius)^3 Go

11 Other formulas that calculate the same Output

Surface Area of Cuboid
surface_area = 2*((Length*Height)+(Height*Breadth)+(Length*Breadth)) Go
Surface Area of a Rectangular Prism
surface_area = 2*(Length*Width+Length*Height+Width*Height) Go
Surface Area of triangular prism
surface_area = (Base*Height)+(2*Length*Side)+(Length*Base) Go
Surface Area of a Capsule
surface_area = 2*pi*Radius*(2*Radius+Side) Go
Surface Area of Prisms
surface_area = (2*Base Area)+(Height*Base Perimeter) Go
Surface Area of Dodecahedron
surface_area = 3*(sqrt(25+(10*sqrt(5))))*(Side^2) Go
Surface Area of Sphere circumscribing a cylinder
surface_area = pi*(Diameter of Sphere^2) Go
Surface Area of Regular Octahedron
surface_area = 2*(sqrt(3))*(Side^2) Go
Surface Area of Icosahedron
surface_area = 5*(sqrt(3))*(Side^2) Go
Surface Area of Regular Tetrahedron
surface_area = (sqrt(3))*(Side^2) Go
Surface Area of a Cube
surface_area = 6*Side^2 Go

Surface Area of a Sphere Formula

surface_area = 4*pi*Radius^2
SA = 4*pi*r^2

How to Calculate Surface Area of a Sphere?

Surface Area of a Sphere calculator uses surface_area = 4*pi*Radius^2 to calculate the Surface Area, The surface area of a sphere can be defined as a measure of the total area that the surface of a sphere occupies. Surface Area and is denoted by SA symbol.

How to calculate Surface Area of a Sphere using this online calculator? To use this online calculator for Surface Area of a Sphere, enter Radius (r) and hit the calculate button. Here is how the Surface Area of a Sphere calculation can be explained with given input values -> 0.40715 = 4*pi*0.18^2.

FAQ

What is Surface Area of a Sphere?
The surface area of a sphere can be defined as a measure of the total area that the surface of a sphere occupies and is represented as SA = 4*pi*r^2 or surface_area = 4*pi*Radius^2. Radius is a radial line from the focus to any point of a curve.
How to calculate Surface Area of a Sphere?
The surface area of a sphere can be defined as a measure of the total area that the surface of a sphere occupies is calculated using surface_area = 4*pi*Radius^2. To calculate Surface Area of a Sphere, you need Radius (r). With our tool, you need to enter the respective value for Radius and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Surface Area?
In this formula, Surface Area uses Radius. We can use 11 other way(s) to calculate the same, which is/are as follows -
  • surface_area = 2*pi*Radius*(2*Radius+Side)
  • surface_area = 6*Side^2
  • surface_area = 2*(Length*Width+Length*Height+Width*Height)
  • surface_area = 3*(sqrt(25+(10*sqrt(5))))*(Side^2)
  • surface_area = 5*(sqrt(3))*(Side^2)
  • surface_area = 2*(sqrt(3))*(Side^2)
  • surface_area = (sqrt(3))*(Side^2)
  • surface_area = 2*((Length*Height)+(Height*Breadth)+(Length*Breadth))
  • surface_area = (2*Base Area)+(Height*Base Perimeter)
  • surface_area = (Base*Height)+(2*Length*Side)+(Length*Base)
  • surface_area = pi*(Diameter of Sphere^2)
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