# item.guide
Side-by-Side Comparison Cookware & Bakeware

Baking Pans vs. Gastronorm Pan Sizes

Comparing 2 standards across 21 specifications. 21 key differences identified.

Comparing:
Baking Pans
Gastronorm Pan Sizes

Baking pan standards classify cake, brownie, and loaf pans by internal volume and surface area. A 9-inch round cake pan holds 8 cups (1.9 L) with 27% more surface area than an 8-inch round (6 cups / 1.4 L), while standard loaf pans divide into 8.5×4.5" (1 lb loaf) and 9×5" (1.25 lb loaf) formats.

View full Baking Pans spec sheet →

The European Standard EN 631 Gastronorm (GN) system defines modular catering pan dimensions based on the GN 1/1 base unit (530 × 325 mm), scaling from GN 2/1 down to GN 1/9 across standardized depths from 20 mm to 200 mm.

View full Gastronorm Pan Sizes spec sheet →

Specification Comparison Table

21 Parameters
Parameter / Spec
Governing Standards
AIB Baking Dimensions / USDA Volumetric Cup Standards
8-Inch Round Cake Pan
8 × 2 inches (20.3 × 5.1 cm) | 50.3 sq in | Volume: 6 Cups (1.4 L)
9-Inch Round Cake Pan
9 × 2 inches (22.9 × 5.1 cm) | 63.6 sq in | Volume: 8 Cups (1.9 L)
9×13-Inch Cake / Casserole
9 × 13 × 2 inches (22.9 × 33.0 × 5.1 cm) | 117 sq in | Volume: 14 Cups (3.3 L)
8×8-Inch Square Brownie Pan
8 × 8 × 2 inches (20.3 × 20.3 × 5.1 cm) | 64 sq in | Volume: 8 Cups (1.9 L)
9×9-Inch Square Pan
9 × 9 × 2 inches (22.9 × 22.9 × 5.1 cm) | 81 sq in | Volume: 10 Cups (2.4 L)
Standard Loaf Pan (1 lb)
8.5 × 4.5 × 2.75 inches (21.6 × 11.4 × 7.0 cm) | Volume: 6 Cups (1.4 L)
Quick Bread Loaf Pan (1.25 lb)
9 × 5 × 2.75 inches (22.9 × 12.7 × 7.0 cm) | Volume: 8 Cups (1.9 L)
Standard Bundt Pan
10 × 3.5 inches (25.4 × 8.9 cm) | Volume: 10–12 Cups (2.4–2.8 L)
Governing Standard
EN 631-1:1993 / DIN 66075
Base Unit (GN 1/1)
530 × 325 mm (20.87 × 12.80 in)
Double Size (GN 2/1)
650 × 530 mm (25.59 × 20.87 in)
Half Size (GN 1/2)
325 × 265 mm (12.80 × 10.43 in)
Third Size (GN 1/3)
325 × 176 mm (12.80 × 6.93 in)
Quarter Size (GN 1/4)
265 × 162 mm (10.43 × 6.38 in)
Sixth Size (GN 1/6)
176 × 162 mm (6.93 × 6.38 in)
Ninth Size (GN 1/9)
176 × 108 mm (6.93 × 4.25 in)
Two-Thirds (GN 2/3)
354 × 325 mm (13.94 × 12.80 in)
Two-Fourths (GN 2/4)
530 × 162 mm (20.87 × 6.38 in)
Standard Depths
20 mm, 40 mm, 65 mm, 100 mm, 150 mm, 200 mm
Standard Materials
AISI 304 (18/10) Stainless Steel, Polycarbonate, Polypropylene