WorkSetup Guide

Medium vs Large Cardboard Moving Boxes: Which Packs Better for Your Move?

Compare the medium 18x14x12 cardboard moving box at $78.77 with the large 20x20x15 box at $43.99. See how listed strength and dimensions guide your choice.

Last updated Aug 15, 2026

Packing for a move or preparing boxes to ship means matching the carton to the stuff you'll put inside. The two boxes here split that decision along a clear line: one is a medium-size carton, the other is a large-size carton. They're both brown cardboard, but their listed prices and breaking strengths are quite different. Neither option is inherently better; the right pick depends on what you're moving.

Quick Verdict

If you want a bigger interior for each dollar and a higher listed breaking strength, the large box is the stronger choice. It's listed at a lower price than the medium box, and its breaking-strength rating beats the medium's. If you'd rather keep boxes compact and you're comfortable with a higher listed price, the medium box is the more tailored pick.

Comparison at a Glance

FeatureMedium Box (18" x 14" x 12")Large Box (20" x 20" x 15")
Listed price$78.77 $43.99
Breaking strength32 pounds65 pounds
MaterialCardboardCardboard
ColorBrownBrown
Listed item weight22.2 pounds13 pounds

Where Each Box Wins

Choose the medium box if you want a smaller carton and don't mind paying the higher listed price. The medium footprint fits tighter spaces, and the listed item weight is higher than the large box's-something to keep in mind when lifting.

Choose the large box if you want more space per box, a higher listed breaking strength, and a lower listed price. The larger dimensions are well suited to bulky dry goods like clothing and files, and the strength rating gives you more headroom for heavier loads.

Product Notes

Medium Cardboard Moving Boxes (18" x 14" x 12")

This medium carton is listed at $78.77, making it the more expensive box in this head-to-head. Its breaking strength is the lower of the two listed ratings, so it's not the carton for the heaviest items-but its compact 18x14x12-inch size keeps it easy to handle in tight spots. The brown cardboard material is consistent and familiar for labeling, and the listed item weight is worth factoring into your total load. The main limitations are the higher listed price and lower breaking strength compared with the large box. Choose it when space is at a premium and you're prepared to spend more.

Large Cardboard Moving Boxes (20" x 20" x 15")

The large box combines a lower listed price with a higher breaking strength. At a listed $43.99, it's the lower-priced option, and the breaking strength is higher than the medium's rating. The 20x20x15-inch dimensions give you a broad packing envelope for dry items such as clothes, files, and electronic accessories. Its listed item weight is lower than the medium's, so the empty carton is easier to move around. The trade-off is the larger footprint: the 20-inch-square bottom takes up more floor space in a hallway, car, or storage area, and you'll need room to stack or stand the boxes when empty.

Final Choice by Use Case

For a move with mostly smaller, denser loads, the medium box's compact size makes it the pick when box space is tight. For bigger, bulkier packing jobs, the large box's higher breaking strength and broader dimensions make it the better fit.

Products in this article
Cardboard Moving BoxesUSD 78.77View on eBayCardboard Moving BoxesUSD 43.99View on eBay
Cardboard Moving BoxesUSD 78.77View on eBayCardboard Moving BoxesUSD 43.99View on eBay

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