Trapezium area
Geometry / FREE CALCULATOR
Find the area between two parallel sides of a trapezium.
Your answer starts here.
Enter your values and select Calculate to see the result and any available breakdown.
How to use this calculator
- Enter first parallel side. Use the unit shown beside the field.
- Enter second parallel side. Use the unit shown beside the field.
- Enter perpendicular height. Use the unit shown beside the field.
- Select Calculate and review the result. Select Reset to restore the example inputs.
How the calculation works
(First parallel side+Second parallel side)*Perpendicular height/2
Worked example
First parallel side = 8; Second parallel side = 12; Perpendicular height = 5. Result: 50 square units.
Understand your result
Find the area between two parallel sides of a trapezium. The result is expressed in square units.
Assumptions and limitations
The height is the perpendicular distance between parallel sides. Results are rounded for display.
Questions about this tool
What does this tool calculate?
Find the area between two parallel sides of a trapezium.
What should I check before using the answer?
The height is the perpendicular distance between parallel sides.
Related guides
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