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Round Pan to Square Pan — Pan Size Conversion Guide

Must Knowvolume
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9-inch round ≈ 8-inch square (both ~64 sq inches)

8-inch round ≈ 7-inch square

Overview

Converting from round pan to square pan: Use a square pan 2 inches smaller (9-inch round → 8-inch square). Complete pan swap guide.

Key Details

  • 9-inch round ≈ 8-inch square (both ~64 sq inches)
  • 8-inch round ≈ 7-inch square
  • 10-inch round ≈ 9-inch square
  • Square pans have corners that cook faster
  • Reduce oven temp by 25°F if corners brown too quickly

Why This Matters

  • Many bakers need to swap between round pan and square pan
  • Not having the right pan size is one of the most common baking problems
  • Pan area determines batter thickness and bake time

How To

  1. 1Use a square pan 2 inches smaller (9-inch round → 8-inch square)
  2. 2Always adjust bake time when changing pan sizes
  3. 3Check doneness with a toothpick in the center
  4. 4Consider using parchment paper for easy release

Tags

unit-conversionsvolumepan-sizebakingconversion

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Frequently Asked Questions

Yes. Use a square pan 2 inches smaller (9-inch round → 8-inch square).