Another common mistake is entering the diameter of an object when the radius is asked for. Volume and Surface Calculator This volume and surface calculator finds the volume, surface area, radius, diagonal & center of gravity for any shape from cube … The radius is 1/2 the diameter. As an example, the surface area of a ball with a radius of 10 cm can be found below: A = 4πr 2; A = 4π * 10 2 = 1256.64 cm 2 The circle is the three-dimensional object with no edges. The Radius of a Sphere from the Surface Area calculator computes the radius (r) based on the surface area of a sphere (SA). INSTRUCTIONS: Choose units and enter the following: (SA) This is the Volume of the Sphere.Sphere Radius: The Radius of the Sphere (r) is returned in meters.However, this can be automatically converted to other length units (e.g. Surface Area of a Cone Calculator: It is a free online tool that provides the output when given radius and height value.Surface Area of a Cone Calculator makes calculations easier for you by giving outputs in a fraction of seconds. Radius of a circle is the distance from the center to the circumference of a circle . Example for volume of sphere Calculation. Ball surface area formula. Surface area of a sphere: A = 4πr², where r stands for the radius of the sphere. Radius is the distance from the center to the inner edges of the circle. The value of the radius is half of the sphere diameter. Radius = 5 in step 2 Apply radius values in Volume formula Volume V = 4πr³/3 = 4 x 3.1416 x (5)³/3 in³ = 4 x 3.1416 x 125/3 in³ = 1571/3 in³ Volume V = 523.5988 in³ step 3 Find Surface area using below surface area formula Surface Area = 4πr² = 4 x 3.1416 x (5)² in² = 4 x 3.1416 x 25 in² Surface Area = 314.1593 in² Calculates the radius, diameter and circumference of a circle given the area. Formula for the surface area of… Our surface area calculator can find the surface area of seven different solids. When the total surface area given, calculate the radius, volume, curved surface area and circumference with the following formula: $$ r = \sqrt {(\frac{K}{3\pi})} $$ Example: The total surface area is 85ft2, then find out the radius & other different variables related to hemisphere? Surface area of a box. 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 … The area of a circle can be defined by knowing the number of square units that can fit inside that circle and if each square inside has an area of 1 cm 2.The surface area of the sphere and circle, both were same, which is 4 π r 2. Since a rectangular box or tank has opposite sides which are equal, we calculate each unique side's area, then add them up together, and finally multiply by two to find the total surface area. Example of how to calculate the surface area of a ball shape. The radius is not the diameter. The formula depends on the type of the solid. Geometric Sphere . Surface area of a cube: A = 6a², where a is the side length. The formula below describes the surface area of a ball with a given radius r: A = 4πr 2. The surface area formula for a rectangular box is 2 x (height x width + width x length + height x length), as seen in the figure below:. For example, if the diameter is 8 cm 8\text{cm} 8 cm, the radius will be 4 cm 4\text{cm} 4 cm. Consider that you need to determine the volume of a sphere that has a radius 4 … From the formula to calculate the area of a circle; Once you have the surface area of the object in square form, you can then easily convert that to some other unit of area on the area conversion page. area S 6digit 10digit 14digit 18digit 22digit 26digit 30digit 34digit 38digit 42digit 46digit 50digit We know the ball surface area formula now.