Basketball Court Length: Dimensions for NBA, FIBA, NCAA, and High School

A standard basketball court length depends on the level of play. NBA and NCAA courts measure 94 ft (28.65m) long, FIBA and Olympic courts are 91 ft 10 in (28m), and high school courts come in at 84 ft (25.60m). All are 50 ft wide, except FIBA courts at 49 ft 3 in.

Quick Answer — How Long Is a Basketball Court?

If you just need the number fast, here it is. Court length varies by governing body — sometimes by only a few feet, but enough to matter at the professional level. As documented in the Wikipedia Basketball Court reference, the NBA court measures 94 by 50 feet while FIBA courts sit slightly smaller at 28 by 15 meters.

Why Basketball Court Dimensions Differ Across Governing Bodies

The NBA, FIBA, and NCAA each set their own standards independently. That's the short answer. The slightly longer one is that these organisations developed their rules at different times, in different regions, and with different priorities — so the measurements never fully converged.

In practice, the differences are small but deliberate. The NBA plays on a slightly longer court than FIBA. College courts match the NBA in overall size but differ in key width. High school courts are noticeably shorter. None of these variations are accidents — each governing body has confirmed its own standards through decades of rule-setting.

What's often overlooked is that even within FIBA, court size isn't fully fixed. Domestic competitions are allowed a range rather than a single measurement, which gives clubs and schools more flexibility.

NBA Basketball Court Length and Dimensions

An NBA regulation basketball court is 94 ft long and 50 ft wide. That works out to roughly 31.3 yards in length, or 28.65 meters. It's the size most people picture when they think of a professional court — and the one TV broadcasts have made universally familiar.

NBA Court Size in Feet, Yards, and Meters

Key Markings on an NBA Court

These measurements apply specifically to NBA-regulation courts:

• Key (free throw lane) width: 16 ft (4.88m)
• 3-point line: 23 ft 9 in (7.24m) from the basket at the top of the arc; 22 ft (6.71m) in the corners
• Free throw line: 15 ft (4.57m) from the backboard
• Center circle diameter: 12 ft (3.66m)
• No-charge arc radius: 4 ft (1.22m)

Buffer Zone Around an NBA Court

Interestingly, the NBA does not specify a minimum buffer zone around the court perimeter. Other governing bodies set a required run-off area, but in the NBA this varies from arena to arena. Coaches, benches, and equipment are typically positioned just beyond the sidelines — which is why collisions near the boundary happen more often than they probably should.

College (NCAA) Basketball Court Dimensions

NCAA courts are the same overall size as NBA courts — 94 ft long, 50 ft wide. If you watched college ball and NBA back to back, you wouldn't spot a difference from the stands. The distinctions are in the details.

How NCAA Courts Differ from NBA Courts

The key is narrower in college play — 12 ft wide instead of the NBA's 16 ft. The 3-point line is also closer to the basket. Men's NCAA play uses a 22 ft arc, while women's NCAA play sits at 20 ft 9 in. The NBA's arc, by comparison, reaches out to 23 ft 9 in at the top.

These differences shape how the game is actually played. A wider key changes how post players operate. A shorter 3-point line means a higher volume of attempts from range — which is exactly what you see when comparing college and pro statistics.

FIBA and Olympic Basketball Court Length

FIBA governs international basketball competition — including the Olympics, FIBA World Cup, and domestic leagues across Europe, Australia, the UK, and many other regions.

FIBA International Court Dimensions

A FIBA-regulation court is 28m long and 15m wide (91 ft 10 in × 49 ft 3 in). Indoor courts must also maintain a ceiling height of at least 7m (22.96 ft) — a detail that matters for any facility being built or certified to host international competition.

FIBA Domestic Court Size Range

For club, school, and community courts, FIBA and Sport England allow more flexibility. The four-tier framework below outlines what's permitted:

The 2010 FIBA Key Rule Change

Before 2010, FIBA used a trapezoidal key — wider at the baseline than at the free throw line. In 2010, FIBA switched to a rectangular key matching the NBA's shape, measuring 4.9m wide by 5.8m long. Courts built before this change may still carry the old trapezoid markings, which can cause confusion if you're reading older diagrams.

High School and Youth Basketball Court Dimensions

High school courts are meaningfully shorter than NBA and college courts. At 84 ft long and 50 ft wide, they're 10 ft shorter in length — a difference that actually changes pacing and transition play.

High School and Junior High Court Size

Both high school and junior high courts follow the same standard dimensions: 84 ft (25.60m) long and 50 ft (15.24m) wide. Junior high sizing can vary slightly by state, but 84 × 50 ft is the accepted baseline.

Youth and Recreational Court Sizes by Grade

Younger players don't need a full-sized court — and shouldn't be playing on one. Smaller courts keep the game appropriately scaled for developing athletes.

Half Court Basketball Dimensions

A half court is exactly what it sounds like — one end of a full court. For NBA and NCAA courts, half court measures 47 ft × 50 ft (14.33m × 15.24m). For FIBA courts, it comes out to 14m × 15m.

Half courts are practical for driveways and backyard setups where a full 94 ft isn't realistic. In practice, most home installations are built around half-court dimensions or smaller, with a portable or wall-mounted hoop as the anchor point.

Basketball Court Markings Explained

Understanding the lines on a basketball court helps make sense of both the rules and the dimensions. Each marking serves a specific purpose.

Sidelines and Baselines vs. Endlines

The sidelines run the full length of the court. The short lines at each end are called either baselines or endlines — and the difference is directional. The endline is the boundary a team is defending. The baseline is the same line from the attacking team's perspective. Same physical line, two names depending on context.

The Key — Free Throw Lane and the Paint

The key is the rectangular area beneath each basket, running from the endline to the free throw line. It's called "the paint" because it's typically painted a different color from the rest of the floor.

Key width varies by level:

• NBA and FIBA: 16 ft (4.88m) / 4.9m
• NCAA and high school: 12 ft (3.66m)

In the NBA, a defensive player who isn't actively guarding an opponent can only remain in the key for three seconds at a time. NCAA and FIBA rules don't carry this restriction.

The Free Throw Line

The free throw line sits 15 ft from the backboard across NBA, NCAA, and high school courts. FIBA places it at 4.6m (approximately 15 ft 1 in) — a negligible difference in practice.

The Three-Point Line

The Center Circle

The center circle is used for the opening tip-off. NBA courts use a 12 ft (3.66m) diameter circle. FIBA courts use a slightly smaller 11 ft 10 in (3.60m) diameter.

The No-Charge Arc

Located beneath each basket inside the key, the no-charge arc exists to stop defensive players from drawing offensive fouls by planting themselves directly under the hoop. It was introduced in the NBA in 1997.

• NBA and NCAA: 4 ft (1.22m) radius
• FIBA: 4 ft 1 in (1.25m) radius

Line Marking Specifications

Per FIBA regulations, all court lines must be 50mm wide and marked in a color that contrasts clearly with the playing surface. This applies to sidelines, baselines, the key, the free throw circle, and all arc markings.

Backboard and Hoop Dimensions

Backboard Size

Regulation backboards measure 1.8m wide by 1.22m tall, with a minimum thickness of 19mm. The inner rectangle — the white box players aim above when banking shots — measures 0.45m × 0.59m. Backboards must be padded at all levels of play above U16.

Hoop Height and Diameter

The rim sits at 10 ft (3.05m) from the floor across all major levels — NBA, FIBA, NCAA, and high school. The hoop itself is 18 inches (45.72cm) in diameter. These two measurements are consistent across all governing bodies, even as court sizes change around them.

Total Court Area Including Run-Offs and Buffer Zones

The playing surface is only part of the space a court actually needs. Run-offs — the clear areas around the court boundary — are required for player safety.

For a FIBA-standard court:

• Playing area: 420m²
• Minimum playing area (lower levels): 364m²
• Total area including run-offs and team sideline space: 677.31m²

Anyone planning to install a court — whether indoors or outdoors — should account for the full footprint, not just the court lines. In practice, builders and facility planners commonly underestimate the run-off requirement and end up with a court that meets line dimensions but leaves insufficient safety clearance around the perimeter.

Indoor Court Height Clearance

For FIBA-certified indoor courts, a minimum ceiling height of 7m (22.96 ft) is required. This is a hard requirement for any venue intending to host international or national-level competition.

Basketball Court Surface Types

Indoor Court Surfaces

NBA courts use hard maple (also known as sugar maple or rock maple) as the standard playing surface. It offers durability and a degree of shock-absorption that reduces joint stress over a long season.

As reported by The Washington Post, maple is the wood primarily used for basketball courts and must acclimate to a building's moisture levels before installation — a step that directly affects how the floor performs during play. Lower-tier FIBA courts typically use semi-sprung wooden flooring or approved synthetic alternatives.

Outdoor Court Surfaces

Outdoor courts are most commonly built from asphalt or concrete. Asphalt is hardwearing and delivers a fast, high bounce comparable to indoor maple. Synthetic court tiles are also increasingly common for home and recreational setups — they're easier to install and gentler on the knees than poured concrete.

Full Comparison Table — All Court Dimensions by Governing Body

Conclusion

NBA and NCAA courts run 94 ft long. FIBA courts measure 28m (91 ft 10 in). High school courts are 84 ft. The width is 50 ft at most levels. These are the confirmed, governing-body-standard dimensions — use the tables above as your reference.

Frequently Asked Questions

How long is an NBA basketball court?

An NBA court is 94 ft (28.65m) long and 50 ft (15.24m) wide. NCAA and WNBA courts share the same overall dimensions.

How long is a high school basketball court?

A high school basketball court is 84 ft (25.60m) long and 50 ft (15.24m) wide — 10 ft shorter than an NBA court.

What is the length of a half court?

For NBA and NCAA courts, half court measures 47 ft × 50 ft. For FIBA, it's 14m × 15m.

How does an NBA court differ from a FIBA court in size?

An NBA court is 94 ft long; a FIBA court is 91 ft 10 in. The NBA court is also slightly wider at 50 ft versus FIBA's 49 ft 3 in.

How many laps around a basketball court equals one mile?

On an NBA or NCAA court, 18.33 laps equals one mile. On a high school court, you'd need approximately 19.7 laps.