• http://www.ellenskitchen.com/bigpots/oamc/casserolespan.html

Pan Swapping
Pan Size	Equivalent Pans and Casseroles*
8" round pan	9" pie pan	11"x4-1/2" loaf pan
9" round pan	8" square pan OR 10" pie pan	9"x5"x3" loaf pan
9"x3" springform pan	10"x3" bundt pan
9"x13" pan	two 9" round pans	or two 8" square pans
15"x10" jelly roll pan	9" square pan	two 8" round pans
1 Quart casserole	8 x 6 x 1½-inch baking dish
1-1/2-quart casserole	9"x5"x3" loaf pan	8 x 8 x 1½-inch baking dish
2 quart casserole	8" square pan	9 x 9 x 1½-inch baking dish OR 12 x 7 1/2 x 2 inch
2-1/2 quart casserole	9" square pan	10 x 10 x 1½-inch baking dish
3 quart casserole	9"x13" pan
4 quart casserole	10"x14" pan
*adjust baking time if needed. Observe whether the new pan has the same DEPTH of ingredients as the original- if it makes a deeper layer, it will cook more slowly, shallower will cook more quickly.