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Already know where your item is going? Want to know what boxes it will fit into? Use the original FitShipper calculator.

Update: 2018-09-06 - Fixed an issue that was causing the calculator not to work for the past day or two.

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FitShipper for Listing

Don't know where your item is going yet but you want to know what to charge or build-in for shipping? FitShipper for Listing calculates the cheapest shipping options everywhere in the country via USPS, UPS & Fedex in one step.

Enter dimensions

Optional in some cases (?)

Package Weight / Dimensions

Smallest regional (?) box item will fit into

Smallest flat rate box item will fit into


*Actual prices may vary. (?)
Fedex/UPS prices will be inaccurate without correct dimensions

This webapp is still in beta. Known issues:
  • May not gracefully handle some API request failures
  • Not fully optimized for mobile?
  • Does not remember last used options
Unknown issues
  • Unknown. See next:
Find a bug? Have a suggestion? Please let us know!