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Weighted Packaging Recycled Content Calculator

Weight supplier-verified fractions by actual component mass. Unknown content is not confirmed zero; obtain evidence and define the included component scope before using a result in a claim.

Use a saved product specification (optional)

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.

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Results update as you edit. Nothing is saved until you choose to.
Example result — replace the inputs

Entered weighted recycled content

23.08 %
Entered recycled material mass6.000 g

Weighted percentage = Σ(Mass × Recycled percentage)/Σ(Mass)

a = 20; ra = 30; b = 5; rb = 0; c = 1; rc = 0 → Entered weighted recycled content = 23.07692308 %; Entered recycled material mass = 6 g
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.

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Vary one input and inspect entered weighted recycled content

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

The formula, made clear.

Weighted percentage = Σ(Mass × Recycled percentage)/Σ(Mass)

Weight supplier-verified fractions by actual component mass. Unknown content is not confirmed zero; obtain evidence and define the included component scope before using a result in a claim.

How to use this calculator

  1. 01

    Confirm component a mass, verified recycled percentage a, component b mass, verified recycled percentage b, component c mass, verified recycled percentage c.

  2. 02

    Enter consistent units; zero means a confirmed absence of a charge or allowance.

  3. 03

    Review the arithmetic, rounding and limitations before using the result in a purchasing decision.

A calculation you can check

6 g recycled material in 26 g total equals 23.08%.

Component A mass
20 g
Verified recycled percentage A
30 %
Component B mass
5 g
Verified recycled percentage B
0 %
Component C mass
1 g
Verified recycled percentage C
0 %
a = 20; ra = 30; b = 5; rb = 0; c = 1; rc = 0 → Entered weighted recycled content = 23.07692308 %; Entered recycled material mass = 6 g
Entered weighted recycled content23.08 %

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 ↗