9x13 to Round Cake Pans (Two 9-Inch Rounds)

To bake a 9x13 recipe in two 9-inch round pans, multiply every ingredient by 1.09.

The answer

×1.09

Multiply every ingredient by 1.09.

Close enough to use as it is: the cake just comes out a little thinner.

One 9 x 13 inch pan holds about 16.2 cups to the brim and 2 × 9-inch rounds about 17.6 cups, so the new pans take 109% as much batter to fill them just as full.

Scale my ingredients ×1.09

Baking it in two 9-inch round pans

  • Keep the same temperature.
  • About the same time.

Using the recipe as it is

The batter sits 8% thinner, so it bakes faster: start checking 5–10 minutes early.

Your ingredients at ×1.09

What common amounts in a 9x13 recipe become in two 9-inch round pans. Weighing is the most accurate way to scale.

In the recipeUse
1 cup (flour, sugar, milk)1 cup + 1 tbsp
2 cups2 cups + 3 tbsp
250 g of any weighed ingredient272 g
1 stick of butter (113 g, ½ cup)123 g
3 large eggs (about 150 g out of the shell)163 g beaten egg (about 3½ eggs)
1 tsp (baking powder, baking soda, salt, vanilla)1⅛ tsp
1 tbsp1 tbsp + ¼ tsp

Try your own pans

Set to this swap. Change the size, the depth or how many pans, or switch to cm.

Have one pan, want another

Common sizes

Size

in
in
in

Measure inside the top edge. Left blank, the depth is 2 in.

Common sizes

in
in

Measure inside the top edge. Left blank, the depth is 2 in.

Times 1.09. Multiply every ingredient by 1.09.

Your recipe

×1.09

Multiply every ingredient by 1.09.

From one 9 x 13 inch pan to 2 × 9-inch rounds. Scaled this way, it fills the new pan just as full.

Close enough to use as it is: the cake just comes out a little thinner.

Scale my ingredients ×1.09

Odd number of eggs? Beat them and weigh: one large egg is about 50 g (1¾ oz).

Baking it in the new pan

  • Keep the same temperature.
  • About the same time.

Or pour the recipe in as it is

The batter sits 8% thinner, so it bakes faster: start checking 5–10 minutes early.

Your recipe also fits these, as it is:

  • 13 x 18 inch pan
  • 3 × 7-inch rounds
  • 12-inch round
  • 2 × 9 x 5 inch loaves
  • 10-cup bundt
  • 22 standard cupcakes

Questions bakers ask

How do I convert a 9x13 recipe to two 9-inch round pans?

To bake a 9x13 recipe in two 9-inch round pans, multiply every ingredient by 1.09. Close enough to use as it is: the cake just comes out a little thinner. One 9 x 13 inch pan holds about 16.2 cups to the brim and 2 × 9-inch rounds about 17.6 cups, so the new pans take 109% as much batter to fill them just as full.

What temperature and time for two 9-inch round pans?

Keep the same temperature. About the same time.

Can I use a 9x13 recipe as it is in two 9-inch round pans?

The batter sits 8% thinner, so it bakes faster: start checking 5–10 minutes early.

What other pans take a 9x13 recipe without changes?

13 x 18 inch pan, 3 × 7-inch rounds, 12-inch round, 2 × 9 x 5 inch loaves, 10-cup bundt, 22 standard cupcakes. Each holds within about 12% of the same batter, so the cake comes out just a little thinner or taller.

More pan conversions

Full pan size conversion chart

Selling it?

A different pan changes what the cake costs you

×1.09 the batter is ×1.09 the ingredient cost. Price the new size from what it really costs to make.