GetShipMargin
ConversionVerified formula

CM to Inches Package Converter

Prepare metric package measurements for US carrier rules.

Free · no sign-up
Package inputs
Use outside package dimensions. Your result stays on this device unless you choose to save it.
Live result Deterministic
Shipping intelligence
No AI estimates. Every output comes from the published formula.

Your result will appear here

Enter package data and calculate. No account is required.

How to use this tool

A decision, not just an output

Convert a full set of package dimensions from centimeters to inches. Read the output alongside its interpretation, assumptions, limitations, and source. Marketplace rates and external requirements should always be confirmed at the linked official source.

Formula & example

Transparent method

Inches = centimeters ÷ 2.54.

Example: 40 × 30 × 20 cm converts to 15.75 × 11.81 × 7.87 in.

Assumptions

  • • 1 inch equals exactly 2.54 centimeters.

Limitations

  • • Carrier measurement rounding is not applied.

Frequently asked questions

Is the CM to Inches Package Converter free?

Yes. The primary result is available without creating an account or entering an email address.

How is the result calculated?

Inches = centimeters ÷ 2.54.

What should I verify before using it?

Carrier measurement rounding is not applied.

Are my inputs private?

Core inputs are processed in your browser. GetShipMargin Tools records anonymous interaction events, not the business values entered into this form.