Every shipping surcharge has a pattern
We decode carrier complexity into simple validation rules. Stop shipping blind—know exactly which fees apply before you commit.
The $50,000 Mistake
A single packaging decision cost an e-commerce company $47,000 in unexpected dimensional weight charges.
They shipped coffee grinders in 9" × 9" × 10" boxes to accommodate the handle, weighing 3 lbs each. FedEx billed them for 6 lbs per package due to dimensional weight. Over 15,000 shipments, the extra 3 lbs per package added up to massive unexpected costs.
This story repeats every day across thousands of businesses. Dimensional weight formulas, surcharge thresholds, and zone boundaries aren't intuitive—they're engineered for carrier profitability, not shipper clarity.
We saw a better way
Instead of learning surcharge rules the expensive way, what if you could validate packages before shipping? What if the complex carrier logic was distilled into simple pass/fail checks?
ShippingRulesGuide transforms dense carrier documentation into precise validation rules. We track every threshold, every divisor, every exception across UPS, FedEx, USPS, and DHL so you don't have to.
How We Stay Current
Official Sources
We monitor carrier service guides, rate changes, and supplemental notices. Every rule is traced to official documentation.
Continuous Validation
We test our logic against real shipping scenarios to ensure accuracy. Edge cases and exceptions are documented and handled.
Rapid Updates
When carriers announce changes, we update our validation rules immediately. No waiting for quarterly updates.
Our Mission
Make shipping costs predictable and transparent for every business, from solo entrepreneurs to enterprise operations.
For Small Business
Validate packages before shipping. Avoid the surcharge surprises that can derail tight margins.
For Enterprise
Integrate validation rules into your shipping workflow. Optimize packaging and carrier selection at scale.
Ready to Ship Smarter?
Join thousands of businesses using ShippingRulesGuide to avoid unexpected fees and optimize shipping costs.