Tiered Shipping Rate Calculator

About this calculator

A tiered shipping rate structure charges a flat base fee for handling and packaging a shipment, plus a variable charge per kilogram (or per weight bracket) for the actual transport. It's the pricing model used by most parcel carriers, freight brokers, and e-commerce platforms because it splits cost into a fixed component (warehouse handling, label printing, first-mile pickup) and a component that scales with how heavy — and therefore how expensive to move — the package actually is.

Sellers use this kind of calculation to price shipping into a product or checkout flow, and shoppers use it to sanity-check a quoted rate. Enter the base rate, the per-kilogram charge, and the package weight, and the calculator returns the total shipping cost — useful for comparing carriers, setting free-shipping thresholds, or estimating landed cost on heavier items before they ship.