Is there a formula for calculating shipping costs?

All major shipping carriers use the DIM method (dimensional weight) to calculate the cost. Multiplying the package's height, width, and length to calculate DIM and dividing it by the standard DIM divisor.

Online shipping cost calculators like ShippingEasy and XPSship can help you automate your package cost calculation process. You can also calculate the shipping rate based on your product's actual weight and use the Shipping cost calculator to determine your shipping rate.