Cake Pan Size Scaler
Scale recipe amounts between any two round cake pan sizes.
Results
Scaling between round cake pan sizes is based on comparing their areas. A 10-inch pan has 56% more area than an 8-inch pan, so you need 1.56x the batter. This calculator works for any two round pan diameters - from 6-inch layer cakes to 14-inch wedding tiers.
Explore all our pan size converter tools, or browse the full cooking hub.
Frequently asked questions
A 10-inch round pan has 1.56x the area of an 8-inch pan. Multiply all ingredients by 1.56. For example, 2 cups of flour becomes about 3.1 cups.
A 6-inch pan has 44% of the area of a 9-inch pan (ratio 0.44). Multiply ingredients by 0.44 for one 6-inch pan, or make the full recipe and fill two 6-inch pans.
Yes. Larger pans with the same batter height bake similarly, but if the batter is deeper it needs more time at a lower temperature. Check 5-10 minutes early for smaller pans.
6-inch: 28.3 sq in, 8-inch: 50.3 sq in, 9-inch: 63.6 sq in, 10-inch: 78.5 sq in, 12-inch: 113.1 sq in.
Three 6-inch pans have 84.9 sq in total versus 127.2 sq in for two 9-inch pans. You would need about 2/3 of the recipe for three 6-inch layers.