18x18x18 vs 17x17x17 Boxes

18x18x18 vs 17x17x17 Boxes

Not sure which to pick? Use the Packaging Tools to get a recommendation.

Choose 18x18x18 when your product fits the 18x18x18 interior with room for dunnage. Choose 17x17x17 when you need more interior space at 17x17x17 or a different aspect ratio.

18x18x18 options

17x17x17 options

When to use

  • Deciding between 18x18x18 and 17x17x17 for a new SKU or packaging refresh.
  • Cost, protection, and throughput tradeoffs.

When not to use

  • Edge cases where neither option fits — check the related guides.

Frequently asked

What's the difference between 18x18x18 and 17x17x17 boxes?

Size (L x W x H): 18x18x18 is 18x18x18 in; 17x17x17 is 17x17x17 in. Cubic inches: 18x18x18 is 5,832; 17x17x17 is 4,913.

When should I choose 18x18x18 boxes?

18x18x18 boxes are commonly used for Bulky / multi-item shipments.

When should I choose 17x17x17 boxes?

17x17x17 boxes are commonly used for Bulky / multi-item shipments.

How many 18x18x18 vs 17x17x17 boxes does Packrift carry in stock?

Packrift currently has 10 in-stock 18x18x18 boxes SKUs and 3 in-stock 17x17x17 boxes SKUs. Live inventory shows on every product page.