Surface Area Calculator: Find Area of 3D Shapes & Geometric Objects

    Created by Md jony islam

    sphere area calculator online

    Calculate surface area of cubes, spheres, cylinders, pyramids, and complex 3D shapes. Features geometric formulas, step-by-step solutions, and unit conversions for all measurements. A surface area calculator computes the total exterior dimensions of three-dimensional shapes by applying dimensional data with geometric rule formulas. A cube with 5-inch sides possesses a surface area measurement of 150 square inches (through multiplying 6 faces by 5-inch squares) while a sphere with 3-inch radius amounts to about 113.1 square inches when using 4π times the radius squared. The calculator processes calculations for cubes requiring 6s² and for rectangular prisms applying 2lw + 2lh + 2wh and cylinders with 2πr² + 2πrh and pyramids that require base area with lateral faces calculations. The calculator finds practical use across various operations including material evaluation through paint usage analysis (1 gallon equals 400 square feet) and box-style optimization plus building exterior calculation processes and product manufacturing quantity prediction based on 10% material waste. The tool enables users to work with metric as well as imperial units and displays surface area distribution per face or section.

    total surface area calculator

    Surface Area Calculator

    Select Shape

    Results

    Surface Area

    Total Surface Area: -

    Lateral Surface Area: -

    Base Surface Area: -

    Additional Information

    Volume: -

    Formula Used: -

    Calculation History

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    What is the Surface Area Calculator?

    Frequently Asked Questions - sphere area Conversion FAQs:

    How do you find the area of a sphere?

    The surface area of a sphere equals A = 4πr² with radius r. The formula calculates surface area by multiplying the square of the radius by 4 and pi (which equals 3.1416 approximately). In geometry, this formula enables the measurement of the surface area that a three-dimensional ball shape occupies.

    What is the formula to calculate round area?

    Use A = πr² as the formula to determine the area of circular shapes and rounds. The circle radius r defines the measurement in this formula. The simple mathematical principle helps determine the complete internal space of circular objects.

    How do you calculate the volume of a sphere?

    You should calculate the volume of a sphere by using V = (4/3)πr³. The formula presents four-thirds of π times the radius cubed. The formula shows the internal dimension measurement for three-dimensional rounded objects.

    What is the difference between sphere area and volume?

    The formula A = 4π r² evaluates the outer surface area of spheres, and the formula V = (4/3)π r³ determines the inside volume of spheres. Outside surface area receives mathematical treatment through the equation A = 4πr², whereas inside space requires calculation of V = (4/3)πr³. The calculation involved radius together with pi as a constant for both surface area and volume formulas.

    Why is radius important in sphere calculation?

    The radius stands as the essential element that appears in both formulas for area and volume. The radius represents the measurements from the sphere's center to the surface point. The formulas A = 4πr² and V = (4/3)πr³ need the radius value to calculate the measurements of spheres.

    About the Author

    Md Jony Islam

    Md Jony Islam: Multidisciplinary Engineer & Financial Expert:

    Md. Jony Islam is a highly skilled professional with expertise in electronics, electrical, mechanical, and civil engineering, as well as finance. Specializing in transformer service and maintenance for 33/11kV substations, he ensures reliable and efficient electrical systems. His mechanical engineering skills drive innovative designs, while his financial acumen supports effective project budgeting. With a strong foundation in civil engineering, he contributes to robust infrastructure development. Md. Jony Islam's multidisciplinary approach ensures efficiency, quality, and reliability across all projects.