Online Calculators since 2009
A Rectangular Prism is a three dimensional shape with six faces. All angles are right angles.
The faces consist of two equal ends, two equal sides and an equal top and bottom
(Note - in the calculator below only the top is refered to, but the bottom is included in the calculations)
Calculations can be saved to a table by clicking the "Add to Table" button he first time the button is clicked)
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End surface area = h x w
Side surface area = h x l
Top surface area = w x l
Total surface area = 2 x ((h x w) + (h x l) + (w x l))
Volume = h x w x l
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