Heron's formula calculator

Fantazey App

Contains ads

About this app

Struggling with Heron's formula? This Triangle Area Calculator solves problems instantly using Heron's formula, two sides and angle, or base and height...

Triangle Area Calculator with 18 formulas. Calculate triangle area
by 3 sides (Heron's formula), base and height, 2 sides and angle,
right triangle legs, hypotenuse, inscribed or circumscribed circle radius.

✅ Find answers to real questions like:
• How to find the area of a triangle with 3 sides?
• How to calculate area using 2 sides and the angle between?
• How to find the area of a triangle with a base and height?
• How to use the radius of an inscribed or circumscribed circle?
• How to calculate area of a right triangle using legs or hypotenuse?
• How to apply Heron’s formula?

💡 Supported triangle types:
• Right triangle
• Isosceles triangle
• Equilateral triangle
• Any custom triangle

📐 Supported formulas:
• Base and height
• Two sides and included angle
• Heron's formula (3 sides)
• One side and two angles
• Using radius of inscribed or circumscribed circle
• Using trigonometric functions (sine, cosine, tangent)
• Using segments formed by the incircle
• Hypotenuse and radius (right triangle)

🎯 Features:
18 step-by-step formulas with visual diagrams
Clean interface, instant results
Works offline — no internet needed
Perfect for students, teachers and engineers

🌍 Available in 17 languages

Download now and never wonder “how do I find the area of a triangle?” again.

What’s new

Bug fixes and stability improvements. Removed usage limits — all 18 formulas are free and unlimited forever.