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Reference

Length + girth limits by carrier

Avoid oversize fees with precise measurements.

Formula

Length + 2 × (Width + Height). Know oversize thresholds and Additional Handling triggers.
Start printing labels →

Shipping Guides You Might Find Useful

UPS Shipping Calculator

Get instant UPS shipping rates for all services. Compare UPS Ground, Air, and international options. Save up to 48% on UPS labels through ShipWave.

DHL Shipping Calculator

Get instant DHL Express rates to 220+ countries worldwide. Compare international shipping options and save up to 42% on DHL labels through ShipWave.

Shipping Insurance Cost + Save 54% on Labels

ShipWave offers up to 54% off shipping labels AND integrates affordable third-party insurance. Protect your packages while keeping costs low through volume-aggregated discounts.

Related Resources

Explore more guides and tools for your shipping needs

Reference

Length + girth: how to measure packages

Avoid oversize fees by measuring correctly.

Reference

USPS non‑machinable surcharge explained

When it applies and how to avoid it.

Reference

Signature confirmation options: USPS, UPS, FedEx

Adult signature, direct signature, and standard options by carrier.

Reference

Shipping zones explained

How carriers define distance-based pricing and what it means for you.

Reference

USPS Media Mail guide

What qualifies and how to avoid returns or fees.

Reference

Shipping glossary (A–Z)

Plain‑English definitions with examples and links.

Free tools

Free tools to ship smarter

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Shipping Savings Calculator

See how much you could save by switching to discounted carrier rates.

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Carrier Invoice Audit

Estimate the refunds and overcharges hiding in your UPS/FedEx/USPS bill.

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Returns Cost Calculator

Find out what returns really cost your store every year — and what is recoverable.

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Chargeback Rebuttal Generator

Generate an evidence-backed dispute letter to fight a chargeback in minutes.

Want us to find the money leaking out of your shipping? Get a free profit-leak audit.

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