Stainless Steel Steam Pans are produced in eight different sizes from Full-size to Ninth-size and from two to four different depths per size.  The following is a list of  Full-size to Ninth-size steam pans and corresponding quart capacities for each size & depth:

Full-size  6" - 21 quarts   Full-size  4" - 14 quarts   Full-size  2.5" - 8.3 quarts   Full-size 1.25" - 3.9 quarts

Two Thirds-size  6" - 14 quarts   Two Thirds-size  4" - 9.3 quarts  Two Thirds-size  2.5" - 5.6 quarts  Two Thirds-size 1.25" - 3 quarts 

Half-size 6" - 10 quarts  Half-size 4" - 6.7 quarts   Half-size 2.5" - 4.3 quarts   Half-size 1.25" - 2.1 quarts

Half-size Long 6" - 8.2 quarts  Half-size Long 4" - 5.7 quarts  Half-size Long 2.5" - 3.7 quarts   Half-size Long 1.25" - 1.9 quarts

Third-size 6" - 6.1 quarts  Third-size 4" - 4.1 quarts   Third-size 2.5"  - 2.6 quarts   Third-size 1.25" 1.3 quarts

Fourth-size 6" - 4.5 quarts  Fourth-size 4" - 2.5 quarts  Fourth-size 2.5" - 1.7 quarts

Sixth-size 6" - 2.7 quarts  Sixth-size 4" - 1.8 quarts  Sixth-size 2.5" - 1.2 quarts

Ninth-size 4" - 1.1 quarts   Ninth-size 2.5" - 0.6 quarts