Estimate postage by weight with Royal Mail, Canada Post Lettermail and AusPost, then compare the result with USPS and FedEx domestic services.
Updated Jul 12, 2026 · sources on every number
International shipping depends on origin, destination, format, weight and service. This calculator gives a transparent baseline from the published carrier tables in FeeStrip, useful for pricing decisions before you check a live quote or label-provider rate.
Scope: The current data includes Royal Mail, Canada Post Lettermail and AusPost services plus USPS and FedEx comparisons. It is not a live quote for every country, customs option, fuel surcharge or carrier contract.
Shipping cost calculator
Static tables · 2026
Retail list rates. Canada Post parcels are zone-priced — Lettermail only here, Find-a-Rate for the rest.
Rounds up to the tier — 4.2 oz pays the 8 oz rate.
Zone 1–2 is local, zone 8 is coast to coast. Find yours with your carrier's zone lookup.
Result
USPS Ground Advantage
USPS Ground Advantage
$10.95
12 oz – 1 lb · zone 5
Retail rate, rounded up to the tier. Commercial and volume discounts are lower.
Source: USPS Notice 123 · Jul 12, 2026
Estimates only — always confirm with your label provider.
Inputs restore automatically for an hour · this device only, nothing is sent anywhere.
01
Select the carrier table that matches the country and service you are pricing.
02
Use the total packed weight because cross-border price bands move at the next published tier.
03
A letter, parcel, tracked service and flat-rate package are different products; compare delivery promises as well as price.
04
Customs, duties, taxes, insurance and remote-area fees can sit outside the postage rate shown here.
No. It is a rate-table calculator. A live quote also needs the origin, destination, dimensions, customs data and any account-specific discount.
No. Duties, import taxes, brokerage and customs handling are separate from the postage figures and depend on the destination and contents.
Carriers use different formats, zones, delivery promises and surcharge rules. Compare the service type, weight band and destination assumptions together.
Use it as a transparent baseline, then add packaging, payment, insurance and expected customs-related costs. For a final promise to a buyer, verify the carrier's live quote.
Compare every supported carrier, service and weight tier.
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Ground Advantage and Priority Mail rates by weight and zone.
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1st, 2nd, Tracked 24 and Tracked 48 by weight.
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Cross-border postage tables for letters and parcels.
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Rates are retail list rates from the linked carrier tables. For a seller-specific estimate, pair this result with the ROAS and ACoS calculator or the profit margin calculator before setting your shipping price.