# item.guide
Side-by-Side Comparison Ball Sports

Baseball & Softball vs. Table Tennis

Comparing 2 standards across 16 specifications. 16 key differences identified.

Comparing:
Baseball & Softball
Table Tennis

Official baseballs are regulated by Major League Baseball (MLB), measuring 9.0–9.25 in (22.9–23.5 cm) in circumference and weighing 5.0–5.25 oz (141.7–148.8 g) with 108 double hand-stitches. Regulation softballs are larger: 12-inch Fastpitch softballs measure 11.875–12.125 in (6.25–7.0 oz), 11-inch Slowpitch softballs measure 10.875–11.125 in (5.875–6.125 oz), and 16-inch Chicago Clincher softballs measure 15.75–16.25 in.

View full Baseball & Softball spec sheet →

Official table tennis balls are regulated by the International Table Tennis Federation (ITTF Handbook Rule 2.3). A tournament match ball has a diameter of 40.0–40.6 mm (designated as 40+ mm), weighs exactly 2.70 g (tolerance 2.67–2.77 g), and is manufactured from celluloid-free non-flammable plastic (ABS/poly-material). It must produce a rebound of 24.0–26.0 cm when dropped from 30.5 cm onto steel.

View full Table Tennis spec sheet →

Specification Comparison Table

16 Parameters
Parameter / Spec
MLB Baseball Circumference
22.9–23.5 cm (9.0–9.25 in)
MLB Baseball Weight
141.7–148.8 g (5.0–5.25 oz)
MLB Baseball Diameter
7.3–7.5 cm (2.86–2.94 in)
Baseball Stitching
108 Double Stitches in Red Waxed Cotton/Polyester Thread Hand-sewn
Baseball Core Construction
Cushioned Cork Sphere wrapped in 3 Layers of Wool/Poly Yarn Standard
12-Inch Fastpitch Softball Circumference
30.2–30.8 cm (11.875–12.125 in)
12-Inch Fastpitch Softball Weight
177.2–198.4 g (6.25–7.0 oz)
11-Inch Slowpitch Softball Circumference
27.6–28.3 cm (10.875–11.125 in)
Softball Core Material
Polyurethane Core or Kapok Fiber Core with Optic Yellow Leather COR 0.44–0.47
Official Diameter (40+)
40.00–40.60 mm (standardized above 40 mm since 2014)
Official Mass / Weight
2.67–2.77 g (nominal target 2.70 g)
Material Composition
Celluloid-Free Non-Flammable Plastic (ABS Poly-material) ITTF 40+ Standard
Rebound Height Standard
24.0–26.0 cm when dropped from 30.5 cm onto a standard steel block
Sphericity Deviation
< 0.25 mm max roundness variation
Official Match Colors
Matte White or Matte Orange ITTF Approved
Quality Tiers
3-Star (★★★ Match Competition), 1-2 Star (Training) Grading System