Inklingo

How to Say "radius" in Spanish

The Spanish word forradiusis radioB1 level.

English → SpanishB1
NounB1
Geometry; the distance from the center to the edge of a circle
A large, brightly colored circle with a line segment drawn from its center point to the edge.

Examples

El radio de la Tierra es de aproximadamente 6,371 kilómetros.

The Earth's radius is approximately 6,371 kilometers.

Necesitamos un círculo con un radio de cinco centímetros.

We need a circle with a radius of five centimeters.

La antena wifi tiene un radio de alcance de 20 metros.

The Wi-Fi antenna has a range of 20 meters.

The Masculine Version

When 'radio' means radius, spoke, or range, it's a boy! So you use 'el radio' or 'un radio'. This is the complete opposite of the broadcast meaning.

Mixing up the Genders

Mistake:Calcula *la radio* del círculo.

Correction: Calcula *el radio* del círculo. For math and science topics, think masculine ('el').

Other Meanings ofradio

radiocan also mean:

  • The bone in the forearm(B2, formal)

See all meanings in the full dictionary entry →

Learn Spanish with Inklingo

Interactive stories, personalized learning, and more.