Package Details
Shipping Rate Comparison
Billable weight: — lbs | Data effective: April 2026
Enter package details and click
Compare Shipping Rates
💡 Best value: — at —
Compare USPS, UPS, FedEx, and DHL shipping rates by weight, size, and destination. Find the cheapest carrier instantly.
Billable weight: — lbs | Data effective: April 2026
Enter package details and click
Compare Shipping Rates
💡 Best value: — at —
A shipping cost calculator estimates carrier rates based on package weight, dimensions, destination zone, and service level. Ecommerce sellers use these tools to compare USPS, UPS, FedEx, and DHL costs before fulfilling orders — helping choose the most cost-effective carrier for each shipment without logging into multiple carrier portals.
Follow these steps to estimate shipping costs accurately:
Carriers charge the higher of actual weight or dimensional weight:
Base rates for a 2 lb package, Zone 4 (approx. 300–600 miles), no discounts:
Note: Ecommerce sellers using Shopify Shipping, ShipStation, or Pirateship typically receive 15–89% discounts off published rates.
USPS Flat Rate pricing ignores weight entirely — you pay a fixed price regardless of how heavy the package is:
Flat Rate boxes are ideal for heavy, dense items shipping cross-country (Zones 6–8). For lightweight items or nearby zones (1–3), weight-based shipping is often cheaper.
It depends on weight, size, and distance. USPS is typically cheapest for packages under 2 lbs or cross-country shipments using Flat Rate boxes. UPS and FedEx are competitive for heavier packages (5–70 lbs) with business account discounts. DHL is best for international shipments.
Dimensional weight is a pricing method that accounts for package volume. If your package is large but light (e.g., a box of foam peanuts), you'll be charged for the dimensional weight rather than the actual weight. Formula: L × W × H ÷ 139 (UPS/FedEx) or ÷ 166 (USPS Priority).
Negotiate volume discounts with carriers, use third-party shipping platforms (ShipStation, Pirateship, EasyPost) which offer pre-negotiated rates, use USPS Flat Rate for dense items, and consider multi-carrier strategies to always pick the cheapest option per shipment.
The calculator uses published 2026 base rates. UPS and FedEx apply weekly fuel surcharges (currently 8–15%) and residential delivery fees ($4.65) on top of base rates. The calculator includes the residential delivery fee toggle but not the variable fuel surcharge.
Shipping zones measure distance between origin and destination ZIP codes. Zone 2 is 1–150 miles, Zone 8 is 1,800+ miles. The further the zone, the higher the shipping cost. Zones are carrier-specific and based on your business's origin ZIP code.
Data effective: April 2026. Rates are approximations based on published carrier base rates. Actual rates vary by account type, fuel surcharges, and carrier promotions. Always verify with carrier APIs for production use.
Related Calculators: VAT Calculator | Stripe Fee Calculator | Amazon FBA Profit Calculator | Profit Margin Calculator