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Shipping cost calculators
Billable weight, DIM divisors, zone multipliers, fuel surcharges, accessorials, customs duty — the full landed-cost picture for sellers and shippers. All rates are editable examples clearly labeled as estimates, never presented as carrier quotes.
Reviewed by BoringToolsKit · September 1, 2026 · Rate tables below are editable example defaults for modeling, not carrier quotes.
USPS Shipping Cost Calculator
Estimate USPS postage for letters and packages: billable weight with dimensional weight, zone multiplier, and ...
Open calculator →ShippingUPS Shipping Cost Calculator
Estimate UPS package cost: billable weight with dimensional weight (÷139), zone multiplier, fuel surcharge, an...
Open calculator →ShippingFedEx Shipping Cost Calculator
Estimate FedEx Ground or Express cost: DIM weight (÷139), zone multiplier, fuel surcharge, extras. Editable ex...
Open calculator →ShippingDHL Shipping Cost Calculator
Estimate DHL Express international cost: billable weight (DIM ÷139), zone, fuel surcharge, and customs paperwo...
Open calculator →ShippingeBay Shipping Cost Calculator
Model eBay shipping economics: buyer-paid vs free shipping, billable weight, and the effect on your net profit...
Open calculator →ShippingCBM Calculator (Cubic Meters)
Calculate cubic meters (CBM) from package dimensions and see how many cartons fit in a 20ft, 40ft, or 40ft Hig...
Open calculator →ShippingCustoms Duty Calculator
Estimate import duty and import taxes: declared value × duty rate (user-entered from the HS code), plus freigh...
Open calculator →ShippingFreight Cost Estimator
Estimate ground freight: distance × rate per mile × class multiplier, plus fuel surcharge and accessorials. Th...
Open calculator →ShippingFuel Surcharge Calculator
Compute fuel surcharge from the DOE diesel index: base rate × surcharge %, with the weekly-index math carriers...
Open calculator →ShippingeBay Profit Margin Calculator
See true per-unit profit on eBay: item cost + final value fee (13.25% on sale price) + payment processing + sh...
Open calculator →Seller economics
eBay fee and profit · Profit margin and markup · Marketplace fee scenarios (research)