Sports / 12 objects
Explore current and archived artwork, adopted sizes, measurement definitions and sources. Each drawing fits its own frame. Use the stated dimensions to compare actual sizes.
Showing 12 objects
Sports / soccer-ball
22 cm
22 cm
Selected size 5 association-football ball.
Diameter through centre.
2026/27 Law 2.1, circumference 68–70 cm.
Dividing circumference by π gives diameter 21.65–22.28 cm.
Selected illustrative example within this product class or published range; not a universal size or an exact named product.
Source edition described below; accessed 2026-11-13
Sports / basketball
24 cm
24 cm
Selected men’s size 7 basketball; not a women’s size 6.
Diameter through centre.
Ball specification, size 7: circumference 750–770 mm.
Circumference / π gives approximately 238.7–245.1 mm diameter.
Selected illustrative example within this product class or published range; not a universal size or an exact named product.
Source edition described below; accessed 2026-11-13
Sports / tennis-ball
6.7 cm
6.7 cm
Selected Type 2 tennis ball, not a larger Type 3 or junior ball.
Diameter through centre.
Appendix I, printed p. 19, Type 2 size 6.54–6.86 cm.
Selected 6.7 cm diameter lies inside the permitted range.
Selected illustrative example within this product class or published range; not a universal size or an exact named product.
Source edition described below; accessed 2026-11-13
Sports / baseball
7.4 cm
7.4 cm
Selected regulation baseball.
Diameter through centre; seams included in illustrated outside boundary.
Rule 3.1, printed p. 12, circumference 9–9¼ inches.
Inch circumference converted exactly then divided by π gives about 72.77–74.79 mm diameter.
Selected illustrative example within this product class or published range; not a universal size or an exact named product.
Source edition described below; accessed 2026-11-13
Sports / golf-ball
4.27 cm
4.27 cm
Example at the published minimum diameter; larger conforming balls exist.
Diameter through centre.
Part 4, section 3, Size: minimum diameter 42.67 mm.
42.67 mm is a lower bound, not the unique permitted diameter.
Selected illustrative example within this product class or published range; not a universal size or an exact named product.
Source edition described below; accessed 2026-11-13
Sports / bowling-ball
21.6 cm
21.6 cm
Selected tenpin bowling ball.
Diameter through centre, ignoring the depth of finger holes.
Tenpin bowling ball diameter limits: 8.500–8.595 inches.
The limits convert to 215.9–218.313 mm. A 216 mm example falls within them.
Selected illustrative example within this product class or published range; not a universal size or an exact named product.
Source edition described below; accessed 2026-11-13
Sports / basketball-hoop
3.05 m
3.05 m
Nominal regulation height to the TOP edge of the rim, not the backboard.
Court surface to top of ring.
Section 1.2.4, printed p. 9: ring top edge 3050 mm ±6 mm. Sections 1.1.3–1.1.5, p. 7: backboard 1800×1050 mm, target rectangle 590×450 mm. Sections 1.2.2 and 1.3.1, pp. 8–10: 12 net attachments and 400–450 mm net length.
Official Basketball Rules 2024 · Basketball Equipment, valid 1 October 2024
Sports / soccer-goal
7.32 m
7.32 m
Regulation clear opening between posts; excludes post thickness.
Inside edge of left post to inside edge of right post.
Law 1.10: 7.32 m between inside post edges, 2.44 m from ground to crossbar underside; posts and crossbar at most 12 cm thick.
2026/27 Laws of the Game, accessed 2026-11-14
Sports / tennis-court
23.8 m
23.77 m
Regulation court length, excluding surrounding run-off space.
Outside edge of one baseline to outside edge of the other.
Rule 1, printed pp. 2–3: 23.77×10.97 m doubles court, 8.23 m singles width, service lines 6.40 m from net; net-post centres 0.914 m outside doubles sidelines. Dimensions to outside line edges.
ITF Rules of Tennis 2026, accessed 2026-11-14
Sports / soccer-pitch
105 m
105 m
UEFA category 3/4 pitch; other football pitches may have different permitted lengths.
Goal line to goal line; excludes run-off areas.
Article 5, category 3 and 4 table: 105 × 68 m.
Source edition described below; accessed 2026-11-13
Sports / olympic-pool
50 m
50 m
Nominal long-course racing length between installed touch panels; excludes pool deck.
Inside racing boundary at one end to the other.
Length and dimensional tolerances: 50 m pool.
Source edition described below; accessed 2026-11-13
Sports / tennis-racket
68.6 cm
Selected 27-inch adult tennis racket; unbranded illustrative frame.
Butt-cap base to the outer frame top in front elevation.
Product Details: size/length 27 inches; string pattern 16×19.
The cited adult racket has a published nominal length of 27 inches, equivalent to 0.6858 m.
A familiar full-size adult example. The drawing illustrates a generic racket in this size class and a 16×19 string pattern.
Blade 98 16×19 V10 product specification accessed 2026-11-14
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