Triangle Area Calculator
Calculate triangle area using base-height, Heron's formula, or two-sides-angle methods. Perfect for geometry homework, construction projects, and surveying. Supports all triangle types with automatic classification and step-by-step solutions.
triangle
area
geometry
Common Triangle Examples
Click examples to try triangle area calculations instantly
1Triangle Measurements
Choose a calculation method and enter the required measurements
How it works: Choose your calculation method. Base & Height is simplest when you know these measurements. Heron's Formula works with any three sides. Two Sides & Angle is useful for non-right triangles.
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Complete Guide: Triangle Area Calculator
Everything you need to know about using Triangle Area Calculator effectively
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