Triangle Calculators and Solvers

Free tools--angles, sides and more!

General Triangle Calculators

Online Triangle Calculator - Calculates sides, angles and draws a downloadable image for any triangle. Just enter a valid combination of sides/angles, and let our calc do the rest
Right Triangle Calculator - Same as the triangle calculator except, this one is tailored for right triangles

SOHCAHTOA - Based Triangle Calculators

Sine Cosine Calculator -Calculates the sine, cosine and tangent of any angle (in radians or degrees)
Arc Sine Calculator - Input either the decimal or the opposite/hypotenuse ratio and this finds the angle as well as draws the entire triangle in a free downloadable image!
Inverse Cosine Calculator - Input either the decimal or the adjacent/hypotenuse ratio and this tool fines he angle as well as draws the entire triangle in a free downloadable image!
Inverse Tangent Calculator - Input either the decimal or the opposite/adjacent ratio and this tool outputs the angle as well as draws the entire triangle in a free downloadable image!
Triangle Hypotenuse Calculator - Input 2 sides in a right triangle and this tool will calculate the third one.
Triangle Height Calculator -- input base and area and this calc will find its height
Triangle Area Calculator -- input 3 sides or base and height and it will find the triangle's area.
Right Triangle Calculator - Same as the triangle calculator except, this one is tailored for right triangles

Other great Triangle Tools

Triangle Resources