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Gauge to Micron Calculator

Translate plastic-film gauge into microns using 100 gauge = 1 mil = 25.4 µm. Use this only when that gauge convention is confirmed.

Use a saved product specification (optional)
01 / INPUTS

Enter your values

First time using this calculator?

Replace the example values with figures from your supplier sheet or measurements. Choose the unit beside each value. Results update as you type; fix any highlighted field before using the result.

GSM means grams per square metre. Net weight excludes the core and other packaging. MOQ means the minimum order quantity. An optional field can stay blank unless the result you need depends on it.

Prices keep the selected currency; changing its label does not convert an exchange rate. Save or export the result after checking your inputs.

gauge
Results update as you edit. Nothing is saved until you choose to.
02 / RESULTExample result — replace the inputs

Thickness in micrometers

25.40 µm

Uses plastic-film gauge, not a metal or wire gauge system.

THE CALCULATION

Micrometers = plastic film gauge × 0.254

100 × 0.254 = 25.4 µm
Example result — replace the sample valuesThe formula works, but the values are illustrative.

Saved calculations stay in this browser. No account or cloud backup is created.

Save to a product project (optional)Choose or create a saved product project ↗

This is an illustrative example. Saved or transferred values must be checked against your job.

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Calculated from your inputs. Confirm specifications with your supplier.

How sensitive is this result to your assumptions?

Vary one input and inspect thickness in micrometers

All other entered inputs stay fixed. Ranges are your scenarios, not statistical confidence or supplier performance predictions. This uses the same validated calculator engine.

UNDERSTAND THE CALCULATION

The formula, made clear.

Microns = Plastic film gauge × 0.254

Each plastic-film gauge unit represents 0.254 microns in this calculator. Multiplication gives a metric thickness suitable for film and laminate calculations. The word gauge is sometimes used informally to mean thickness and also appears in unrelated metal and wire standards, so an unqualified gauge number needs confirmation before conversion.

How to use this calculator

  1. 01

    Enter the supplier’s plastic-film gauge number.

  2. 02

    Check that the quotation uses the 100 gauge = 1 mil convention.

  3. 03

    Read micron thickness and retain the original specification tolerance.

WORKED EXAMPLE

A calculation you can check

The example converts a plastic-film gauge specification into microns for use in a metric material calculation.

Plastic film gauge
100 gauge
100 × 0.254 = 25.4 µm
Thickness in micrometers25.40 µm
HOW TO VERIFY THIS RESULT

Check the displayed formula and units against your quotation. Use measured GSM, net weight and actual layout dimensions where available. Default densities are planning assumptions, not certified material properties. Calculated cost does not certify strength, compatibility or safe loading.

Method, units and material assumptions ↗