16 × 16 × 24 in box: dimensions, dim weight and strength
A 16 × 16 × 24 in box holds 6,144 in³ (3.56 ft³) inside. Made in C flute its outside is about 16.31 × 16.31 × 24.47 in, which dimensional weight bills USPS at 52 lb and FedEx at 45 lb.
Key numbers
| Inside (L × W × H) | 16 × 16 × 24 in |
|---|---|
| Inside volume | 6,144 in³ · 3.556 ft³ · 100.7 L |
| Inside, metric | 406 × 406 × 610 mm |
| Perimeter 2(L + W) | 64 in |
| Length + girth, C flute OD | 97.9 in |
Outside dimensions by flute
| Board | Caliper, in | Outside, in | Outside volume, ft³ |
|---|---|---|---|
| E flute | 0.063 | 16.13 × 16.13 × 24.19 | 3.64 |
| B flute | 0.125 | 16.25 × 16.25 × 24.38 | 3.725 |
| C flute | 0.156 | 16.31 × 16.31 × 24.47 | 3.768 |
| EB double wall | 0.188 | 16.38 × 16.38 × 24.56 | 3.811 |
| BC double wall | 0.281 | 16.56 × 16.56 × 24.84 | 3.944 |
OD ≈ ID + 2 calipers on length and width, + 3 on depth. An estimate: your box maker sets the scores. Convert other sizes.
Dimensional weight
| Carrier | Divisor | Measured, in (C) | DW, C flute | DW, BC double wall |
|---|---|---|---|---|
| USPS | 139 | 17 × 17 × 25 | 52 lb | 52 lb |
| FedEx | 139 | 16 × 16 × 24 | 45 lb | 52 lb |
DW = ⌈L × W × H ÷ divisor⌉ on outside dimensions, after each carrier's own rounding. USPS applies it only above 1,728 in³ (n/a means it bills actual weight). The carrier bills the greater of actual and dimensional weight. Divisors checked on carrier pages 2026-10-27; try your own weight.
Estimated compression strength
| Board | BCT, lbf | After 30 days storage |
|---|---|---|
| 32 ECT B flute | 531 | 319 |
| 32 ECT C flute | 594 | 356 |
| 44 ECT C flute | 817 | 490 |
| 48 ECT C flute | 891 | 535 |
| 48 ECT BC double wall | 1,196 | 717 |
| 61 ECT BC double wall | 1,519 | 912 |
| 71 ECT BC double wall | 1,768 | 1,061 |
Simplified McKee: BCT ≈ 5.87 × ECT × √(caliper × 64). The 30-day column applies Packgent's default 40% storage loss, an assumption. Estimates only; test with ASTM D642.
Pallet pattern on 48 × 40
| Board | Per layer | Layers | Boxes per pallet | Load height, in | Cube used |
|---|---|---|---|---|---|
| C flute | 4 | 2 | 8 | 54.4 | 50% |
| BC double wall | 4 | 2 | 8 | 55.2 | 52% |
Column stacked, no overhang, on a 48 × 40 in deck 5.5 in tall, loaded to 60 in overall. Those three are assumptions you can change in the pallet calculator. Pattern: 16.3125″ along the 48″ side.
Blank size in C flute
| Style | Blank, in | Board, ft² |
|---|---|---|
| 0201 RSC | 65.88 × 40.31 | 18.44 |
| 0200 HSC | 65.88 × 32.16 | 14.71 |
| 0203 FOL | 65.88 × 56.31 | 25.76 |
With one caliper allowance per score. Multiply board area by your board's combined weight (lb/MSF ÷ 1,000) for box weight, or use the box weight calculator.
Sources
- USPS Domestic Mail Manual 223 (Priority Mail prices and eligibility), section 1.4
- FedEx: What is dimensional weight?
- Flute calipers: Foster (1997), Wiley Encyclopedia of Packaging Technology
- McKee, Gander & Wachuta (1963), Paperboard Packaging 48(8)
Last reviewed . See all sources and how Packgent computes.
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