About the Wrapping Paper Calculator
This wrapping paper calculator tells you exactly how big a sheet to cut for a box-shaped gift, so you stop wasting paper or coming up an inch short. Enter the box’s length, width and height and the overlap you like, and it returns the sheet length and width, the paper area and how much of a roll each gift uses.
Add the number of gifts and your roll’s width and length to find out how many rolls to buy for birthdays, holidays or a big batch of presents. The calculator tries both orientations on the roll and picks the one that uses the least paper, fitting sheets side by side when the roll is wide enough.
The sheet wraps around the box’s width and height with an overlap on the seam, and extends past each end by half the box height plus a little extra so the folded ends meet. It assumes rectangular boxes; for tubes, bottles or soft gifts add extra margin.
How to use the wrapping paper calculator
- 1Measure the box’s length, width and height.
- 2Set an overlap allowance — 2 inches works for most gifts.
- 3Enter how many gifts of this size you need to wrap.
- 4Enter the width and length printed on your wrapping paper roll.
- 5Cut the sheet size shown and check how many rolls to buy.
Formula and method
The paper wraps once around the box’s width and height, so it must be as long as the perimeter of that cross-section, 2 × (W + H), plus an overlap for the taped seam. Across the other direction it must cover the box length plus enough to fold over each end: half the height on each side (H in total), plus the overlap so the folds meet with room for tape.
For rolls, the calculator tries both sheet orientations, fits as many sheets side by side as the roll width allows, and counts how many rows fit on each roll. It chooses the orientation that uses the least roll length.
- L
- Box length (the side the ends fold around)
- W
- Box width
- H
- Box height
Worked examples
Five 12 × 10 × 4 inch shirt boxes
Around the box: 2 × (10 + 4) + 2 = 30". Across: 12 + 4 + 2 = 18". Each sheet is 3.75 sq ft. With the 30" side across a 30" roll, five sheets use 5 × 18" = 7.5 ft — one 15 ft roll is enough.
Ten 18 × 14 × 6 inch boxes
Each sheet is 2 × (14 + 6) + 2 = 42" by 18 + 6 + 2 = 26". The 42" side is too wide for a 30" roll, so sheets run lengthwise at 42" each: five per 20 ft roll, so ten gifts need two rolls (35 ft of paper).
Three 8-inch cubes on a 24-inch roll
A cube needs 2 × (8 + 8) + 2 = 34" by 8 + 8 + 2 = 18". Laying the 18" side across the 24" roll, each gift uses 34" of roll, so three gifts take 8.5 ft of a 10 ft roll.
Frequently asked questions
How do I calculate how much wrapping paper I need?+
Measure the box. The paper must be 2 × (width + height) plus about 2 inches long to go around it, and the box length plus its height plus about 2 inches wide to cover the ends.
How much wrapping paper do I need for a shoebox?+
A typical shoebox is about 13 × 8 × 5 inches, which needs a sheet of roughly 28 × 20 inches (2 × (8 + 5) + 2 by 13 + 5 + 2), or just under 4 square feet.
How many gifts can I wrap with one roll?+
A 30-inch × 15-foot roll is 37.5 square feet. That covers around eight to ten medium shirt boxes, or three to four large boxes — enter your box size above for an exact count.
Which way should I roll out the paper?+
Put whichever sheet dimension fits across the roll width and uses the least roll length. The calculator tests both orientations and tells you which side to lay across the roll.
How much overlap should I leave when wrapping a gift?+
About 1–2 inches on the seam is enough for tape and a neat folded edge. Use a little more for thick paper or if you like to fold the raw edge under before taping.