Dimensional Weight Calculator

PackWi

Free shipping tool

Dimensional Weight Calculator

Enter your packed box dimensions to estimate DIM weight and compare it with the actual package weight. No signup required.

Package details

Enter your sealed package's outside dimensions. Results will appear after you calculate.

Measurement system

DIM divisor

Length (in)

Width (in)

Height (in)

Actual weight (lb)

Round each dimension up to the next whole unit before calculating (optional; verify your carrier's rules).

Divisors are selectable examples, not automatic carrier detection. Check your carrier, country, service, contract, and rounding rules before purchasing a label.

Your results

Instant calculation based on the settings you choose.

Dimensional weight

—

Package volume—

Actual weight—

Higher weight (before carrier rounding)—

Enter package dimensions to see your results.

Estimate only. This tool does not calculate shipping prices or automatically apply carrier thresholds, weight increments, shape rules, fees, or special rate agreements. Calculations run only in your browser.