PackToolbox Guides

Guides

Practical explainers for packaging, shipping, pallets and freight—built to complement the calculators.

Oct 1, 2026

FedEx Additional Handling & Oversize Charges in 2026: What Changed

Understand FedEx's 2026 additional-handling and oversize criteria, including new cubic-volume triggers and how packaging changes can reduce exposure.

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Oct 1, 2026

Plan pallet stack height using pallet thickness, carton height, layer count and maximum transport or warehouse clearance.

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Oct 1, 2026

Improve container utilization by balancing cargo CBM, payload, carton geometry, palletization and loading constraints.

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Oct 1, 2026

Estimate cartons per 20ft container using internal dimensions, carton orientation, volume utilization and real loading constraints.

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Oct 1, 2026

Compare example 20ft, 40ft and 40ft high-cube container capacity, payload and practical use cases for freight planning.

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Oct 1, 2026

Compare air and ocean freight using chargeable weight, CBM, inventory timing, shipment value and total landed economics.

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Oct 1, 2026

Understand the difference between freight cost, landed cost and fulfillment cost so logistics expenses are not mixed or double-counted.

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Oct 1, 2026

Compare freight allocation by quantity, weight, volume and value, with examples of when each method better reflects logistics economics.

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Oct 1, 2026

Calculate freight cost per unit correctly and use it to compare suppliers, shipment sizes, freight modes and product margins.

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