Shipping Tools Directory
Browse every ShipCalc tool in one place: billable weight calculators, FedEx and UPS surcharge ZIP lookup pages, carrier-specific dimensional calculators and service comparisons.
Featured tools
3 calculatorsDimensional Weight Calculator
Enter dimensions and actual weight to get the billable weight your carrier will charge. Auto-fills the divisor per carrier.
Open calculatorFedEx and UPS Remote Area ZIP Code Lookup
Check whether a U.S. ZIP appears in official FedEx or UPS surcharge datasets, with source, record count and freshness.
Look up a ZIPUPS Worldwide Saver vs Expedited
Which is faster, which is usually cheaper, and when to choose each — a clear side-by-side for picking a UPS service.
Compare servicesBrowse by carrier
Carrier-specific divisors, surcharge rules and service notes.
Related calculators
Frequently asked
What is billable weight?
Carriers usually charge by whichever is greater: the package's actual weight or its dimensional weight. That greater value is the billable weight.
Are these tools free?
Yes. The calculators and single ZIP lookup are free to use, with no account required.
How current is the surcharge data?
Every lookup result shows an effective date, source URL, record count and last checked date. FedEx and UPS ZIP lookup currently use official published datasets, while preview or planned imports are tracked separately.
Check multiple ZIP codes in bulk
Upload a CSV and screen hundreds of ZIPs for surcharges at once. Join the waitlist to get notified when bulk lookup and the API go live.