Tool
Pan size converter
Recipe calls for one pan, you have another? Scale by area.
| Pan | Area (in²) | Area (cm²) |
|---|---|---|
| 8x8 square | 64 | 413 |
| 9x9 square | 81 | 523 |
| 9x13 rectangle | 117 | 755 |
| 8-inch round | 50.3 | 324 |
| 9-inch round | 63.6 | 410 |
| 10-inch round | 78.5 | 507 |
| 9x5 loaf | 45 | 290 |
| 8.5x4.5 loaf | 38.2 | 247 |
| 10x15 jelly roll | 150 | 968 |
| 11x7 rectangle | 77 | 497 |
Keep batter depth similar; adjust bake time (deeper = longer, shallower = shorter). Check doneness early.
Frequently asked questions
Can I bake a 9x13 recipe in two 8-inch rounds?
Two 8-inch rounds have ~100 in² vs 117 in² — close; use about 86% of the batter or accept slightly thicker layers.
How do I compare round and square pans?
Compare area: a 9-inch round is ~64 in², about the same as an 8x8 square.