How to use this tool
Enter your values, run the tool, then review the result cards. Most tools update automatically when inputs change, so you can test several scenarios quickly.
Example inputs
- Old diameter: 8
- New diameter: 10
Results this page provides
- Old area
- New area
- Scale factor
How it works
Compares circular pan areas using radius squared.
Best use cases
Resize cake and tart recipes. This variant is useful when users search for a more specific team version of the same calculation.
Limitations
Pan height and batter depth still need judgment.