Skip to main content

Mathematics

Triangles Isosceles Calculator

Isosceles Triangle Calculator

Two equal sides (a), base (b). h = √(a²−(b/2)²)

Mathematically verified
Reviewed October 2026
Our methodology

Get Weekly Math Tips

Join 12,000+ subscribers who get calculator tips every week.

🔒
100% Free
No sign-up ever
✓
Accurate
Verified formulas
⚡
Instant
Results as you type
📱
Mobile Ready
All devices

Settings

PrivacyTermsAbout© 2026 PrimeCalcPro