Settings

Card type:
Select the type of your card:
1) a flat card (the envelope will be very snug)
2) a card with padded layers and/or 3D elements (the envelope will be bigger in size and give more room to accommodate a thicker card)
3) a card with fluffy 3D flowers is better off with a box.
Dimensions:
Use metric or imperial to specify the size of your card.
cm
cm
cm

Results

Paper Size gives you the length of the side of the square paper sheet. The numbers in brackets show how it was calculated (stats for nerds)
Punch Point gives you the first punch/score point.
Paper size:
Punch point:
Punch point 2: