Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Container Loading Calculator

Estimate how many identical items fit inside a standard shipping container at a given packing efficiency. Use this when planning FCL shipments, warehouse staging, or procurement of packaging materials.

Container Type

Carton Length (inches)

Carton Width (inches)

Carton Height (inches)

Packing Efficiency (%)

Fill in the required fields to see your result.

Shipping

Dimensional Weight Calculator

Compute the billable weight of a shipment as the greater of actual weight or dimensional (volumetric) weight, using the carrier-specific DIM divisor. Useful for FedEx, UPS, USPS, and DHL parcels where bulky-but-light packages get charged on volume rather than mass.

Package Length (inches)

Package Width (inches)

Package Height (inches)

Actual Weight (lbs)

Shipping Carrier

Fill in the required fields to see your result.

Key differences

	Container Loading Calculator	Dimensional Weight Calculator
Category	Shipping	Shipping
Inputs required	5	5
Result	Maximum Cartons (units)	Billable Weight (lbs)
What it does	Estimate how many identical items fit inside a standard shipping container at a given packing efficiency. Use this when planning FCL shipments, warehouse staging, or procurement of packaging materials.	Compute the billable weight of a shipment as the greater of actual weight or dimensional (volumetric) weight, using the carrier-specific DIM divisor. Useful for FedEx, UPS, USPS, and DHL parcels where bulky-but-light packages get charged on volume rather than mass.