Trapezoid Area Calculator

Trapezoid Area Calculator lets you trapezoid area equals half the sum of parallel sides times height. Enter your own values or load the worked example.

Method and calculation

Trapezoid area equals half the sum of parallel sides times height.

Inputs and settings

Trapezoid Area Calculator accepts Parallel side a (minimum 0.000001); Parallel side b (minimum 0.000001); Height (minimum 0.000001).

Worked example

Trapezoid Area Calculator example — Parallel side a: 8; Parallel side b: 12; Height: 5. Computed output: { "area": 50 }

Output and limitations

Trapezoid Area Calculator: Use finite inputs. Results use double-precision arithmetic.

Technical references: JavaScript numerical operations

Trapezoid Area Calculator FAQs

Trapezoid Area Calculator applies the following rule to your input: Trapezoid area equals half the sum of parallel sides times height. The worked example on this page uses the same processor as the result button.
Trapezoid Area Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the parallel side a field against the units or format shown.
Trapezoid Area Calculator provides this sample: { "area": 50 }. Use the sample button to reproduce it, then replace the inputs with your own values.