Rectangular Prism Area Calculator
This free online calculator will help you to find the area of a rectangular prism surface.
Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find rectangular prism (cuboid) surface area.
Calculation of Rectangular Prism Area
Entering data into the rectangular prism area calculator
You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.
N.B. In online calculator you can use the value in the same units of measurement!
Additional features of rectangular prism area calculator
- Use and keys on keyboard to move between field in calculator.
Theory. Rectangular Prism Area
Rectangular prism (cuboid) - is a parallelepiped, all of whose faces are rectangles.
The surface area of a rectangular prism
A = 2(a · b + a · h + b · h)
where A - surface area of the rectangular prism,
a - length,
b - width,
h - height.
You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, ...). More in-depth information read at these rules.
Add the comment