9×13 to 9×9 Rectangle Pan Converter

9×13 to 9×9 Rectangle Pan Converter

Need to convert a 9×13 pan recipe to fit a 9×9 pan?
This simple calculator reduces the recipe amount using the correct
volume difference so your bars, brownies, and cakes bake evenly.

Quick fact: A 9×9 pan holds about 31% less batter than a 9×13 pan.

Need the Opposite Conversion?
9×9 to 9×13 Rectangle Pan Converter

9×13 to 9×9 Rectangle Pan Conversion Chart

• Multiply any 9×13 recipe amount by 0.692 (about 31% less)
• Example: 4 cups batter → 2.768 cups (about 31% less)
• Example: 800 g batter → 553.6 g (about 31% less)
• Example: 3 cups frosting → 2.076 cups (about 31% less)

Formula
new amount = original amount × 0.692

Beginner-Friendly Explanation
A 9×9 pan is smaller than a 9×13 pan.
It holds about 31% less batter, so you need to reduce the recipe amount.
Just type in the amount your recipe uses, and this tool tells you the new amount.

Use this converter anytime you need to scale a 9×13 recipe to a 9×9 pan.