Package inputs
in · lb / oz · $longest packaged dimension · inches
middle dimension · inches
shortest dimension · inches
scaled, packaged weight · lb or oz
$
sets fee band · $10 / $50 breakpoints
updates live as you type
Estimate
size tier
—
—
classification pending
billed weight
—
—
governs the fee
actual weight—
dimensional weight · ÷139—
billed weight—
fulfillment fee · published—
overmax surcharge—
fuel & logistics · 3.5%—
estimated FBA fee / unit—
awaiting your numbers
how it’s calculated
| dim weight | L × W × H (in) ÷ 139, round up to whole lb |
| billed weight | greater of unit weight or dim weight · small standard & Extra-Large 150+ bill on unit weight only |
| size tier | 2026 US tiers: small/large standard, small/large bulky, Extra-Large by billing weight band |
| fee | tier + billed weight + price band · non-peak 2026 rate card, non-apparel |