Dimensional Weight Calculator - Free, Instant, In Your Browser
Enter length, width, and height in inches, and a carrier divisor (139 is standard for US domestic shipping), to calculate DIM weight.
How to use Dimensional Weight Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Dimensional Weight Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
DIM weight = (length × width × height) / divisor. Carriers bill by whichever is higher: DIM weight or actual weight.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.