Formula Used:
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The lateral surface area of a cuboid is the sum of the areas of its four lateral faces (excluding the top and bottom faces). It represents the surface area of the sides of the cuboid.
The calculator uses the following formulas:
Where:
Explanation: The calculator first calculates the height using the space diagonal, length, and width through the 3D Pythagorean theorem, then uses this height to calculate the lateral surface area.
Details: Calculating lateral surface area is important in various applications such as packaging, construction, and manufacturing where the side surface area needs to be determined for material estimation, painting, or wrapping.
Tips: Enter the length, width, and space diagonal of the cuboid. All values must be positive numbers. The space diagonal must be greater than the square root of (length² + width²) for a valid height calculation.
Q1: What is the difference between total surface area and lateral surface area?
A: Total surface area includes all six faces of the cuboid, while lateral surface area only includes the four side faces (excluding the top and bottom).
Q2: Can the calculator handle different units of measurement?
A: The calculator works with any consistent unit of measurement (cm, m, inches, etc.), but all inputs must use the same unit.
Q3: What if the space diagonal is too short for the given length and width?
A: If the space diagonal is less than or equal to the square root of (length² + width²), the height calculation will result in an error or imaginary number, indicating invalid input dimensions.
Q4: How accurate is the calculation?
A: The calculation is mathematically precise based on the input values, with results rounded to 4 decimal places for readability.
Q5: Can this calculator be used for rectangular prisms?
A: Yes, since a cuboid is a type of rectangular prism, the calculator works for all rectangular prisms.