Gift Wrap Paper Calculator

Gift wrapping paper is calculated by figuring out how much paper you need to fully cover all sides of a rectangular box, plus a comfortable overlap so the paper folds neatly.

The sheet has two jobs and they need different arithmetic. One dimension runs along the box and has to fold over the two open ends. The other has to travel the whole way around: under the bottom, up one side, across the top, down the far side, then a little further so the seam can be taped.

The formulas:

Across the box = Box Length + 2 × Box Height + 2 × Overlap

Around the box = 2 × (Box Width + Box Height) + Overlap

The “around” figure is the one people get wrong. It is a full circuit, so the width counts twice (top and bottom) and so does the height (both sides). Cut that one short and the paper will not meet, which you only discover after the box is already sitting on it.

Overlap is 2 inches (5 cm). The two end folds get one each, and the seam gets one where the edges come together.

Will it fit the roll?

A roll only limits one of your two figures. You cut as much length off it as you want, so what matters is whether the shorter of the two will lay across the roll’s width. Standard US rolls are 30 inches; the metric equivalent is 70 to 76 cm. Narrow rolls at 24 inches turn up in dollar stores and gift shops.

If the short side beats every roll you own, turn the box 45 degrees and wrap on the diagonal. That buys you roughly 40% more reach across the same sheet, at the cost of messier corners.

Practical tips for wrapping:

• Always add 2–3 inches (5–7 cm) of extra overlap for neat edges
• For cylindrical objects, wrap in a rectangle where the width equals the circumference plus overlap
• Tissue paper inside the box adds a professional touch without extra wrapping paper
• Double-sided tape gives a cleaner look than regular tape
• Measure twice, cut once. Wrapping paper cannot be un-cut

Common box sizes for reference:

• Shirt box: 14.75 × 9.5 × 2 inches (37 × 24 × 5 cm)
• Medium gift box: 12 × 12 × 6 inches (30 × 30 × 15 cm)
• Large gift box: 18 × 12 × 8 inches (46 × 30 × 20 cm)
• Shoe box: 13 × 7.5 × 5 inches (33 × 19 × 13 cm)