Skip to main content
Calkulon

Mathematics

Triangular Prism

Triangular Prism Calculator

Enter the three sides of the triangular base and the prism length.

Variable Legend

a,b,c= triangle sidesh_t= triangle heightl= prism lengthV= volumeSA= surface area

Volume

Triangular base area times length.

Lateral surface area

Three rectangles.

Total surface area

Lateral area plus two triangular bases.

💡

Pro Tip

Volume of any prism = base area × height (length). This works for triangular, rectangular, hexagonal — any shape base. Just find the cross-sectional area and multiply by the length.

Difficulty:Beginner

Did you know?

Glass prisms split white light into a rainbow (spectrum) because different wavelengths refract at slightly different angles (dispersion). Isaac Newton used a prism in 1666 to prove that white light is a combination of all colors.

Mathematically verified
Reviewed May 2026
Used 11K+ times
Our methodology
🔒
100% Free
No sign-up ever
Accurate
Verified formulas
Instant
Results as you type
📱
Mobile Ready
All devices

Settings

PrivacyTermsAbout© 2026 Calkulon