FREE · CALCULATORS & CONVERTERS
Triangle Solver.
Solve SSS, SAS, ASA and ambiguous SSA triangles with area and perimeter.
How to use Triangle Solver
Choose the operation, enter the required values and generate the result. Review units, calendar rules and assumptions before using it.
How it works
Solve SSS, SAS, ASA and ambiguous SSA triangles with area and perimeter. Sides a,b,c oppose angles A,B,C. Degrees only. Select the method and fill its relevant inputs.
Example
Sides 3,4,5 → a right triangle
Questions about Triangle Solver
Is Triangle Solver free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Sides a,b,c oppose angles A,B,C. Degrees only. Select the method and fill its relevant inputs. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.