Cake Pan Size Calculator
Calculate cake pan sizes and adjust recipes for different pan dimensions.
Original Pan
New Pan
Conversion Results
Pan Areas
Original Pan Area:
0 sq in
New Pan Area:
0 sq in
Recipe Adjustment
Conversion Factor:
1.0x
Baking Time:
Same
Cake Pan Conversion Guide
This calculator helps you convert recipes between different cake pan sizes by calculating the area ratio:
Area Calculations:
- • Round: π × radius²
- • Square: length × width
- • Rectangular: length × width
- • Conversion Factor = New Area ÷ Original Area
Common Pan Sizes:
Round Pans:
- • 6-inch: 28 sq in
- • 8-inch: 50 sq in
- • 9-inch: 64 sq in
- • 10-inch: 79 sq in
Square Pans:
- • 6-inch: 36 sq in
- • 8-inch: 64 sq in
- • 9-inch: 81 sq in
- • 10-inch: 100 sq in
Baking Time Adjustments:
- Larger pans: Reduce baking time by 5-10 minutes
- Smaller pans: Increase baking time by 5-10 minutes
- Check for doneness with a toothpick
- Monitor closely during the last 10 minutes
Pro Tips
- • Grease and flour pans properly for easy release
- • Use parchment paper for extra insurance
- • Fill pans 2/3 full for proper rising
- • Test doneness with a toothpick in the center
- • Cool cakes in pans for 10 minutes before removing