To measure your cake pan:
Take a ruler or a measuring tape.
Place it so you can read the distance between the two opposite inner lips of the cake pan.
For a round baking tin, do it at its widest point – in the middle.
If you have a rectangular cake pan, remember to measure the lengths of both sides.
For height, measure from the surface (e.g., table) to the top edge of the cake tin.
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