How Far Is the Basketball Free Throw Line? 15 Feet Explained

By Sarah Miller · November 8, 2025

The free throw line in basketball is 15 feet (4.57 meters) from the backboard, measured horizontally. This distance is standardized across major leagues including the NBA, WNBA, NCAA, and FIBA, ensuring consistency in one of the most crucial aspects of the game.

Understanding the Free Throw Line Distance

The free throw line is a critical element in basketball, both strategically and technically. It marks the spot from which players attempt uncontested shots after being fouled. Knowing the exact distance helps players refine their shooting technique and coaches develop effective training programs.

Why Is the Free Throw Line 15 Feet?

The 15-foot measurement was established early in basketball's history and has remained largely unchanged. It strikes a balance between accessibility and challenge—close enough for skilled shooters to make high-percentage shots, yet far enough to require precision under pressure.

The distance is measured from the center of the basket to the front edge of the free throw line.
It is perpendicular to the baseline and parallel to the end line.
All official games use this standard, though youth leagues may modify it for developmental reasons.

Free Throw Line Dimensions Across Leagues

While the horizontal distance is consistent, other specifications such as line thickness, clearance behind the line, and arc radius vary slightly depending on the governing body. Below is a detailed comparison.

League	Distance from Backboard (ft)	Distance from Backboard (m)	Line Length	Clearance Behind Line	Governing Body
NBA	15	4.57	12 ft (3.66 m)	3 ft (0.91 m)	FIBA/NBA Rules
WNBA	15	4.57	12 ft (3.66 m)	3 ft (0.91 m)	FIBA/WNBA Rules
NCAA Men	15	4.57	12 ft (3.66 m)	3 ft (0.91 m)	NCAA Rulebook
NCAA Women	15	4.57	12 ft (3.66 m)	3 ft (0.91 m)	NCAA Rulebook
FIBA	15	4.57	12 ft (3.66 m)	3 ft (0.91 m)	FIBA Official Rules
High School (NFHS)	15	4.57	12 ft (3.66 m)	3 ft (0.91 m)	NFHS Rules
Youth Basketball (ages 9–12)	10–12	3.05–3.66	10–12 ft	Variable	Local Associations

Table data source:1, 2, 3

The data shows universal agreement on the 15-foot distance across professional and collegiate levels. Minor variations appear only in youth leagues, where shorter distances accommodate developing skills. Consistency in clearance and line length ensures fair play and uniform court design worldwide.

How to Measure the Free Throw Line Correctly

Accurate measurement is essential for regulation courts. Follow these steps:

Start at the point directly behind the backboard, aligned with the center of the basket.
Measure 15 feet horizontally toward the top of the key.
Mark the front edge of the free throw line at this point.
Ensure the line is 12 feet wide and perpendicular to the baseline.
Verify 3 feet of unobstructed space behind the line for player movement.

Impact of Free Throw Accuracy on Game Outcomes

Free throws often decide close games. Teams that shoot above 75% gain a significant advantage. Consider these factors:

Top NBA players average over 90% from the line (e.g., Stephen Curry, Malcolm Brogdon).
Poor free throw shooters can be targeted via the "Hack-a-Shaq" strategy.
Coaches emphasize repetition, mental focus, and routine development in practice.

Common Questions About the Free Throw Line

How far is the free throw line from the basket in high school basketball?

The free throw line in high school basketball is 15 feet from the backboard, the same as in college and professional leagues. This standard is set by the NFHS (National Federation of State High School Associations).

Is the free throw line the same distance in the NBA and college?

Yes, both the NBA and NCAA maintain a 15-foot distance from the backboard to the front edge of the free throw line. The measurement is identical for men’s and women’s divisions.

What is the height of the basketball rim relative to the free throw line?

The rim is 10 feet (3.05 meters) above the ground, while the free throw line is 15 feet away horizontally. This creates a diagonal shooting angle of approximately 33.7 degrees for an average shooter release at 7 feet.

Why do some youth leagues have shorter free throw lines?

Youth leagues often shorten the free throw line (to 10–12 feet) to match the physical development of younger players. This adjustment helps build proper shooting mechanics and confidence before transitioning to the full 15-foot distance.

Can you jump during a free throw attempt?

Yes, players are allowed to jump forward while shooting a free throw, as long as they do not step over the line before the ball hits the rim. However, most elite players remain stationary to maintain consistency and rhythm.