Card Size Calculator

Turn a folded card size into the flat sheet it is cut from, with the panel width, the finished size and the card stock to use.

Card size

Valued by the width in millimetres, so the choice is the measurement. Custom uses the two boxes below.

Custom finished width mm

Only used when the card size above is set to Custom.

Custom finished height mm

Only used when the card size above is set to Custom.

Fold style

Card thickness mm

One gsm is about one thousandth of a millimetre for uncoated card, so 300 gsm card is about 0.3 millimetres.

How many cards

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Free calculator by Handcraft worked examples and methodology No account, nothing stored.