Everything starts with a base understanding of impact. How do you even begin to understand how sustainable your wardrobe is if you don’t know the impact of a fundamental part of owning an item of clothing, i.e. washing the item…
I am hoping this free calculator will start you on journey to better understand this. Together with the MYWardrobe functionality (which is also free for personal use) it becomes a lot more powerful. However, even on it’s own I believe it will give you the tools to start making decisions based on a better understanding of impact.
Sources:
C02 Impact Per Unit of Energy Consumption (kgCO2e/kwh): https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2020
Price per kWk of Energy (using high, pessimistic estimate): https://www.britishgas.co.uk/energy/guides/average-bill.html
Cost of Cubic Metre of Water (1000 Litres): https://www.unitedutilities.com/your-questions-answered/bills-payments/what-does-a-litre-or-cubic-metre-of-water-cost/
Other data: Energy Consumption Per Full Cycle and Wash Cycle. Plus Water Used Per Full Cycle and Wash Cycle can be found from your Washing Machine manufacturer. It is usually available on a chart that looks similar to the one below.
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