All 31 calculators
Everything on the site in one list. Each one runs in your browser, shows the formula behind its answer, and cites the source for any published rate it uses.
Weight & dimensions
Dimensional weight Billable weight in pounds using each carrier's current divisor, side by side. Volumetric weight Metric volumetric weight with the divisor your carrier actually uses. Chargeable weight The greater of actual and volumetric, with the carrier's rounding applied. Girth Girth, length + girth, and a pass/fail against carrier size limits. Size limits Pass, surcharge or refuse, across every carrier at once. Divisor table Every carrier's divisor, dated and sourced, in one table.
Freight & containers
CBM Cubic metres, cubic feet, and CBM converted to chargeable weight by mode. Pallet loading Cartons per layer and per pallet, packed the way a warehouse would. Container load Cartons or pallets per container, and what limits the load. Freight class Density in lb/ft³ mapped to an NMFC class, on the current scale.
Customs & duty
Customs duty Duty, VAT and levies, stacked in the order customs actually applies them. Landed cost Goods, freight, duty, tax and fees, resolved to a cost per unit. De minimis Duty-free and tax-free import limits, market by market. DDP vs DAP The cost split between you and your buyer under each Incoterm.
Shipping cost
Delivery times
Marketplace fees
Amazon FBA FBA fees on the 2026 structure, with break-even and max ad spend. FBA + duty The full import-to-payout chain in one calculation. eBay fees 2026 final value fees on the correct base, plus true net profit. Etsy fees Every Etsy fee including the regulatory fee and VAT on fees. TikTok Shop Referral, affiliate commission and VAT, per market. Compare marketplaces One product, every marketplace, same inputs, ranked by net profit. FBA storage Monthly storage, Q4 rates and the aged inventory surcharge.