Parallelogram Area Calculator (Base and Height)
Find the area of a parallelogram from its base and height. Enter both values and see the base times height result with a clear diagram.
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Input
Enter the base and height to calculate the area of a parallelogram.
Result
Area = base × height
Area
40
Base
8
Height
5
The area is expressed in the square of the length unit you entered.
How it works
- The area of a parallelogram equals its base multiplied by its height.
- The height is measured perpendicular to the base, not along the slanted side.
- Use the same unit for the base and the height. The area is in that unit squared.
- A result is shown when both the base and the height are positive values.
Frequently asked questions
- How is a parallelogram's area calculated?
- The area is base × height. For example, a base of 6 cm and a height of 4 cm give 6 × 4 = 24 cm². Both values must be positive and entered in the same unit.
- When should I use this instead of the rhombus area tool?
- Use this tool when you know the base and perpendicular height. If you have a rhombus and know its two diagonals p and q, the rhombus tool with p × q ÷ 2 is the better fit—choose the one matching the values you have.
- Is the height the length of the slanted side?
- No. The height is measured perpendicular to the base, not along the slanted side. Using the slanted side as the height overstates the area, so be sure to use the perpendicular distance.
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