Trapezoidal Prism Calculator

Enter the values needed for trapezoidal Prism in the Trapezoidal Prism. The explanation below the tool shows what the result represents.

Parallel side a

Parallel side b

Trapezoid height

Leg c

Leg d

Prism length

Result

—

Surface area—

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How it works

V = trapezoid area × length

How to use the Trapezoidal Prism

Enter the requested values and start with one realistic example. Read the result together with its unit or label, then change one input at a time if you want to compare options.

Review the assumptions on the page and confirm any result that affects money, safety, technical work or another important decision.

Frequently Asked Questions

What is the formula?

V = trapezoid area × length

What units should I use?

Use any single unit for all inputs. The area result is in that unit squared, and volume is in that unit cubed.

Can I use the result as an exact answer?

Treat it as an estimate or check unless the page and the rules that apply to you confirm otherwise. Rounding, fees and personal details can change the final result.