Fast, accurate triangle solver for trigonometry and geometry calculations

Quickly solve any triangle by entering two sides and one angle, two angles and one side, or all three sides to compute every remaining value. Designed for students, engineers, and anyone needing a reliable trigonometry solver or best triangle calculator app.

Work in degrees, radians, grads, or degrees with minutes and seconds. Use the ▲² button to view the second solution when the ambiguous case appears. Perfect for study, real-world projects, and anyone searching for a fast geometry calculator or trigonometry solver for students.

With over 1 million downloads, this lightweight tool delivers precision and ease of use. An ad-free paid version is also available. For translation corrections or contributions, please contact us by email.

• Enter 2 sides + 1 angle, 2 angles + 1 side, or 3 sides
• Supports degrees, radians, grads, and DMS formats
• ▲² button reveals the second valid solution (ambiguous case)
• Optimized for quick open-world anime gacha style math needs and study sessions
• Accurate results ideal for education, engineering, and everyday geometry tasks