Shipping & Logistics Calculators
Freight is usually the second-largest cost after the product itself, and it is sold in units nobody quotes at the factory gate: cubic metres, volumetric kilos and billable weight. These calculators convert carton dimensions into what the carrier will actually charge, fold duty and handling into a landed cost per unit, and produce the two documents a customs clearance needs.
CBM Calculator
Carton volume, total CBM and container capacity
Dimensional Weight Calculator
DIM weight and billable weight for UPS, FedEx, USPS, DHL
Air Freight Calculator
Chargeable weight and total air freight cost
Landed Cost Calculator
True cost per unit including freight, duty and handling
Customs Duty Calculator
Import duty and the cost of a rate change
Packing List Generator
Printable export packing list with weights and totals
Commercial Invoice Generator
Customs-ready invoice with HS codes and totals
Dropshipping Profit Calculator
Per-order profit after supplier, shipping and ad costs
Amazon FBA Calculator
Referral fee, FBA fulfilment and net profit per unit
Etsy Fee Calculator
Etsy fees and the profit left per sale
Shopify Profit Calculator
Order profit after card processing and ads
What Is CBM?
Cubic metres, container capacity and the 1,000 kg rule
How to Fill Out a Commercial Invoice
Field by field, with the values customs checks
How to Reduce Chargebacks
The ratio that matters and the fixes that work