Shop & Seller Pricing
Shipping Volumetric Weight Calculator
Compare actual vs dimensional weight so print shipments are quoted correctly.
How it works
Volumetric weight (lb) = (L × W × H in inches) ÷ divisor.Billable weight = max(actual lb, volumetric lb).
Common US domestic divisor is 139; some international services use 166. Your account contract may differ — confirm with the carrier.
Worked example
18×14×4 in = 1008 in³ ÷ 139 ≈ 7.25 lb volumetric. If actual is 3 lb, billable is 7.25 lb.Packing tips for printers
| Tip | Why |
|---|---|
| Flatten apparel packs | Cuts height → lower DIM weight |
| Right-size boxes | Empty space costs money |
| Check carrier account | Divisors and discounts vary |
Frequently asked questions
Does this include postage price?
No — it finds billable weight. Paste that into your carrier rate tool.
Does this output postage price?
No. It finds billable weight. Paste that into your carrier rate tool or negotiated rate card.
How do I lower DIM weight?
Flatten apparel packs, right-size boxes, and avoid empty space. Height cuts often help more than people expect.
Should shipping be in my product price?
If you offer free shipping, yes — fold expected billable-weight cost into the Etsy or POD profit calculators.
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Last updated Oct 7, 2026