Food & Cooking

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Cake Pan Calculator.

Calculate round or rectangular cake-pan capacity from explicit dimensions.

On-device calculationNo signup
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Set your values

Results update as you type.

Pan volume: 1,570.7963 cm³

Pan volume

1,570.7963cm³
Pan volume: 1.5708 L

Pan volume

1.5708L

Results update automatically as you type.

Use Cases

Adjusting recipes to different pan sizes

Determine the volume of your cake pan to scale ingredient quantities accurately when using a different pan than the recipe calls for.

Example: If a recipe is for a 20 cm round pan and you have a 25 cm round pan, calculate both volumes to adjust the batter.

Comparing pan capacities for baking

Quickly compare the capacities of multiple pans to choose the right one for your batter amount or to plan baking batches.

Example: Check if a rectangular 30×20 cm pan holds more than a round 25 cm pan with the same depth.

Frequently Asked Questions

How does the Cake Pan Calculator work?
Enter the pan's diameter (for round) or length and width (for rectangular), plus the depth in centimeters. The calculator computes the volume in cubic centimeters using the appropriate geometric formula: πr²h for round pans and lwh for rectangular pans.
Can I use this calculator for any cake pan size?
Yes, as long as you have the dimensions in centimeters. For round pans, you need the diameter and depth. For rectangular pans, you need length, width, and depth. The calculator works for any size within these inputs.
What is the difference between round and rectangular pan calculations?
Round pans use the formula for a cylinder (π × radius² × depth), while rectangular pans use the formula for a rectangular prism (length × width × depth). The calculator handles both based on the fields you fill in.

Tips & Common Mistakes

Tips

  • Measure the inside dimensions of the pan, not the outside, for the most accurate volume.
  • Use the same unit (cm) for all measurements to ensure correct results.
  • For round pans, measure the diameter across the top; for rectangular, measure length and width at the top.
  • If your pan has slanted sides, the volume will be slightly less than calculated; consider this when filling.

Common Mistakes to Avoid

  • Entering the radius instead of the diameter for round pans, which will underestimate the volume.
  • Mixing units (e.g., cm and inches) without converting, leading to incorrect results.
  • Forgetting to include the depth, which is essential for volume calculation.

Last updated: August 13, 2026