Geometry

30 60 90 Triangle Calculator

Sides of a 30-60-90 triangle from the short leg (opposite 30°).

Free to use — no sign-up or login.

Long leg

Hypotenuse

This free 30 60 90 Triangle Calculator covers Sides of a 30-60-90 triangle from the short leg (opposite 30°).

The sides are x, x√3, and 2x. Related geometry tools sit beside How it works, with no account required.

Using the 30 60 90 Triangle Calculator

Sides of a 30-60-90 triangle from the short leg (opposite 30°). Typical inputs are Short leg (opp. 30°). How it works beside the form states the identity the 30 60 90 Triangle Calculator applies.

FAQ

How do I use the 30 60 90 Triangle Calculator?

Open the 30 60 90 Triangle Calculator, fill Short leg (opp. 30°), and read the result. The sides are x, x√3, and 2x.

What formula does the 30 60 90 Triangle Calculator use?

The 30 60 90 Triangle Calculator uses the identity in How it works. In words: The sides are x, x√3, and 2x.