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We welcome feedback from shippers and logistics teams.

Have a question about a calculation formula, spotted a carrier rule update, or need a custom logistics tool?

General & Support Inquiries

For questions regarding shipping formulas, units, or calculator results, email us directly:

support@parcelcal.com

Carrier Rule Updates

Notice a change in carrier DIM divisors or threshold rules (USPS, FedEx, UPS, DHL)? Send carrier updates to:

rules@parcelcal.com

Privacy & Data Concerns

Read our Privacy Policy to understand how your package measurements stay inside your browser. For privacy questions:

privacy@parcelcal.com