Basketball Court Dimensions by League | NBA, NCAA, High School, FIBA

By Emma Wilson · December 15, 2029

A standard basketball court’s dimensions vary by level of play. The NBA and FIBA courts are 94 feet long and 50 feet wide, while NCAA and high school courts differ slightly in length and key areas.

Overview of Basketball Court Dimensions

Basketball court sizes are standardized across major leagues but vary depending on the organization and level of competition. Knowing exact measurements is essential for players, coaches, architects, and facility managers.

Key Questions About Court Sizes

What are the official NBA court dimensions?
How big is a college basketball court?
Are international (FIBA) courts different from NBA courts?
What are high school basketball court measurements?
How do three-point line distances compare across leagues?

NBA Court Dimensions

The National Basketball Association (NBA) sets one of the most recognized standards for professional basketball courts.

Standard NBA Measurements

Length: 94 feet (28.65 meters)
Width: 50 feet (15.24 meters)
Free-throw line distance from backboard: 15 feet (4.57 meters)
Three-point line distance: 23.75 feet (7.24 m) at arc, 22 feet (6.7 m) in corners
Key (paint area): 16 feet (4.88 m) wide

College and NCAA Court Size

NCAA men’s and women’s basketball courts closely follow NBA dimensions but allow slight variations.

Length: Typically 94 feet, though some older arenas may be 84 feet
Width: 50 feet
Three-point line: 22 feet 1.75 inches (6.75 m) from basket center
Key width: 12 feet (3.66 m) in older courts; newer ones use 16-foot NBA-style key

High School Basketball Courts

High school courts, governed by NFHS rules, are generally smaller than professional or college courts.

Length: 84 feet (25.6 m)
Width: 50 feet (15.24 m)
Three-point line: 19.75 feet (6.02 m) from basket
Key: 12 feet (3.66 m) wide
Free-throw line: 15 feet from backboard

FIBA International Court Standards

FIBA (International Basketball Federation) governs global competitions including the Olympics and World Cup. Their standards differ slightly from NBA regulations.

Length: 28 meters (91.86 feet)
Width: 15 meters (49.21 feet)
Three-point line: 6.75 meters (22.15 feet), extended to 6.90 m (22.6 ft) as of 2010
Key: 4.9 meters (16.08 feet) wide, trapezoidal shape
Free-throw line: 5.8 meters (19.03 feet) from endline

Detailed Comparison Table

Organization	Length	Width	3PT Line (Corner)	3PT Line (Arc)	Key Width	Free Throw Distance
NBA	94 ft (28.65 m)	50 ft (15.24 m)	22 ft (6.7 m)	23.75 ft (7.24 m)	16 ft (4.88 m)	15 ft (4.57 m)
NCAA	94 ft (28.65 m)	50 ft (15.24 m)	22 ft 1.75 in (6.75 m)	22 ft 1.75 in (6.75 m)	12 ft / 16 ft*	15 ft (4.57 m)
NFHS (High School)	84 ft (25.6 m)	50 ft (15.24 m)	19.75 ft (6.02 m)	19.75 ft (6.02 m)	12 ft (3.66 m)	15 ft (4.57 m)
FIBA	28 m (91.86 ft)	15 m (49.21 ft)	6.75–6.90 m (22.15–22.6 ft)	6.75–6.90 m (22.15–22.6 ft)	4.9 m (16.08 ft)	5.8 m (19.03 ft)

Table data source:1, 2, 3

The data shows that while NBA and NCAA courts are nearly identical in size, FIBA courts are slightly shorter and narrower. The three-point line is consistently closer in high school and FIBA play compared to the NBA. Key width differences impact post play and defensive strategies across levels.

Common Questions About Basketball Court Dimensions

What are the exact dimensions of an NBA basketball court?

An NBA basketball court is 94 feet long and 50 feet wide, with a 16-foot-wide key and a three-point line ranging from 22 feet in the corners to 23.75 feet at the top of the arc.

How big is a college basketball court in feet?

Most NCAA basketball courts are 94 feet long and 50 feet wide, matching NBA dimensions, though three-point distance is slightly shorter at 22 feet 1.75 inches.

Are FIBA courts smaller than NBA courts?

Yes, FIBA courts are 91.86 feet long and 49.21 feet wide, making them slightly shorter and narrower than NBA courts. The three-point line and key also differ in measurement and shape.

What is the size of a high school basketball court?

A high school basketball court is typically 84 feet long and 50 feet wide, with a 19.75-foot three-point line and a 12-foot-wide key, according to NFHS rules.

Why do three-point line distances vary between leagues?

Different leagues set their own rules based on player skill level, game pace, and historical standards. The NBA extended its line to challenge shooters, while FIBA uses a consistent arc for international fairness.