TriCalc: Triangle Calculator

TriCalc is a fast and accurate triangle solver that helps you calculate missing sides, angles, area, and height instantly.

Simply enter any 3 known values (sides or angles), and the app will solve the triangle using trigonometry formulas such as the law of sines and law of cosines.

【Key Features】
• Solve any triangle from 3 known values (SSS, SAS, ASA, AAS)
• Calculate missing sides and angles automatically
• Supports multiple angle units: degrees, radians, DMS, gradians
• Automatic area and height calculation
• Visual triangle diagram for better understanding
• Save and reuse calculations with history
• Adjustable decimal precision (0–6 digits)
• Works offline (no internet required)

【Use Cases】
• Students learning trigonometry and geometry
• Engineers and construction professionals
• Surveying and land measurement
• Quick triangle calculations in daily tasks

Whether you need a triangle solver, trigonometry calculator, or geometry tool, TriCalc provides a simple and efficient way to get accurate results.

No complicated setup — just enter values and solve instantly.

Recent changes:
Welcome to TriCalc!
We are excited to announce the initial release of TriCalc, a simple yet powerful triangle calculator designed for surveyors, architects, DIYers, and students.