All tools

Choose the right cake calculator

From buttercream totals in grams to pan conversions, these calculators help you plan a cake without the guesswork.

Scale a favourite 8 inch 2-layer sponge recipe for different round cake sizes and layer counts.

Fast UK estimate for common round cake sizes and layer counts.

Use exact shape and dimensions for a more specific buttercream estimate.

Convert round tins into square or rectangular equivalents for your recipe.