Home Back

Height of a Trapezoid Calculator

Height of a Trapezoid Formula:

\[ h = \frac{2A}{a + b} \]

square units
units
units

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Height of a Trapezoid?

The height (or altitude) of a trapezoid is the perpendicular distance between its two parallel sides (bases). It's essential for calculating the area and understanding the trapezoid's dimensions.

2. How Does the Calculator Work?

The calculator uses the height formula:

\[ h = \frac{2A}{a + b} \]

Where:

Explanation: The formula derives from the area formula of a trapezoid rearranged to solve for height.

3. Importance of Height Calculation

Details: Knowing the height is crucial for construction, engineering designs, and any application involving trapezoidal shapes. It helps in material estimation and structural analysis.

4. Using the Calculator

Tips: Enter the area and both base lengths in consistent units. All values must be positive numbers. The calculator will return the height in the same linear unit as the bases.

5. Frequently Asked Questions (FAQ)

Q1: What if my trapezoid has non-parallel sides?
A: The formula only works for trapezoids (quadrilaterals with exactly one pair of parallel sides). For other quadrilaterals, different methods are needed.

Q2: Can I use different units for bases and area?
A: No, units must be consistent. If area is in cm², bases should be in cm, and height will be in cm.

Q3: What's the difference between height and slant height?
A: Height is perpendicular distance between bases, while slant height is the length of the non-parallel side.

Q4: Does this work for right trapezoids?
A: Yes, the formula works for all trapezoids regardless of angles.

Q5: How accurate is this calculation?
A: The calculation is mathematically exact when accurate measurements are provided.

Height of a Trapezoid Calculator© - All Rights Reserved 2025