How Much Void Fill Do You Need per Package?
Estimate unused cubic inches, then choose paper, air pillows, or foam based on fragility—not volume alone.
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Author: rohitsingh
Library pages. Open a calculator when you have numbers.
How Dimensional Weight Works for UPS, FedEx, and USPS
Large, light packages can bill by volume. Use a dated divisor and confirm the live service guide.
Read guideCorrugated Box Strength: ECT vs. Burst Test Explained
ECT and burst (Mullen) tests measure different things. Use the rating that matches stacking and puncture risk.
Read guideHow to Measure a Product for a Shipping Box
Measure longest, widest, and tallest packed points in inches, then add cushioning on every side.
Read guideSmall Business Shipping Supplies: The Complete US Starter Guide
A practical starter kit for US home-based sellers: boxes or mailers, tape, labels, void fill, and how the pieces fit together.
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