Free CalculatorWiser tool

Triangle Area Calculator

Calculate triangle area from base and height.

How to use the Triangle Area Calculator

Calculate triangle area from base and height.

Step-by-step instructions

  1. Enter or select Base.
  2. Enter or select Height.
  3. Tap Calculate.
  4. Review the result shown directly below the calculator.

What the inputs mean

Base
Enter the value requested by this field label.
Height
Enter the measurement shown, using consistent units.

Formula or calculation method

Triangle area is calculated as base × height ÷ 2.

Example

Try entering realistic values for Base and Height, then tap Calculate to see how the result changes.

How to understand the result

Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.

Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.