Triangle Calculator
Solve triangle from sides/angles (SSS/SAS/ASA helpers).
Frequently asked questions
What does the Triangle Calculator do?
Solve triangle from sides/angles (SSS/SAS/ASA helpers). Enter your values and get an instant estimate in your browser — free, with no signup.
Is the Triangle Calculator free to use?
Yes. OpenCalcy calculators are free to use, work on mobile, and keep favorites privately in your browser.