How these calculators help
Package dimensions affect box choice, dimensional weight, carrier limits and shipping cost. These tools are designed to give you a fast planning estimate before you buy packaging or create a shipping label.
FREE SHIPPING TOOLS
Package Size & Shipping Calculators
Measure a product, estimate a practical box size, and compare actual weight with dimensional weight using quick browser-based calculators.
No sign-up required
Calculations run in your browser. Carrier billing rules can change, so verify final shipment requirements with the carrier.
PACKAGING
Box Size Calculator
Enter product dimensions and packing clearance to estimate a recommended inside box size and package volume.
Open calculator →SHIPPING WEIGHT
Dimensional Weight Calculator
Estimate DIM weight, compare it with actual weight, and see the estimated billable weight using common divisors.
Open calculator →Measure before you pack
Use the longest side as length, the next side as width and the remaining side as height. If the item needs cushioning, add clearance on every side rather than using the bare product dimensions.