Reusable Bag Savings Calculator

Find plastic bags avoided with reusable bags.

Bags avoided/year 520

Plastic avoided/year 2.86

Formula: bags/year = bags/week × 52

Step-by-step with your numbers:

1. Values used:

2. Plastic bags per week = 10

4. Bags avoided/year = 520

5. Plastic avoided/year = 2.86

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See how many single-use plastic bags reusables save.

The math behind it

bags/year = bags/week × 52. A typical bag weighs ~5.5 g of plastic.

10/week → 520 bags (~2.9 kg plastic).

Reusable footprint?

Reusables must be used many times to beat plastic — so keep using them.