Basketball Court Dimensions and Hoop Height: A Quick Guide

STACK compiles the answers to all of your questions about the dimensions of basketball courts at all levels of play.

How Big is a Basketball Court?

Basketball Court Dimensions

An NBA basketball court is 94 feet long and 50 feet wide. In meters, it's 28.65 m long and 15.24 m wide. The WNBA and NCAA use an identical court size—94 feet long by 50 feet wide.

High school courts are a bit shorter, measuring 84 feet long by 50 feet wide. Junior high courts are even smaller, typically measuring 74 feet long and 42 feet wide. A FIBA court (used during international play such as the Olympics) is 91.86 feet long and 49.21 feet wide.

How Tall is a Basketball Hoop?

Basketball Backboard and Hoop Dimensions

For junior high, high school, NCAA, WNBA, NBA and FIBA, the rim is exactly 10 feet off the ground. Rims at every level of play are 18 inches in diameter. Backboards are also the same size at each of these levels. A regulation backboard measures 6 feet wide and 42 inches (3.5 feet) tall.

What is the Distance of the 3-Point Line?

Basketball Three-Point Line Distance

The 3-point line distance varies among different levels of play. The NBA 3-point line is 23.75 feet from the hoop, 22 feet in the corners. The FIBA 3-point line is 22.15 feet from the hoop, 21.65 feet in the corners. The WNBA uses the same 3-point line as FIBA.

At the NCAA level, the 3-point line distance is 20.75 feet, for both men and women. At the high school level, the 3-point line distance is 19.75 feet, for both boys and girls. Junior high uses the same 3-point line distance as high school.

What is Distance of the Free-Throw Line?

Free Throw

The distance of the free-throw line is measured from a point on the floor directly below the backboard. At the junior high, high school, NCAA, WNBA and NBA levels, the free-throw line is 15 feet away from this point. At the FIBA level, the free-throw line is actually a bit further—15.09 feet from the point.

How Big is The Key?

Basketball Key

The size of the key, also commonly referred to as "the paint," varies among levels of play. In the NBA, it's 16 feet wide. Same goes for the WNBA. In FIBA, it's 16.08 feet wide. At the NCAA level, the key is 12 feet wide. High school and junior high school use the same size key as the NCAA.

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