Ethical Shopping Premium Calculator
Enter your baseline spend, the ethical premium and how much less you buy.
Net annual cost of the premium
β
Enter values above
Premium paid
Saving from buying less
β
Total annual spend
β
Cost over the period
β
Premium per category
β
Worked example
With the default inputs shown below, this calculator returns the following results:
| Input | Value |
|---|---|
| Annual baseline spend ($) | 6000 |
| Ethical premium (%) | 20 |
| Categories switched | 5 |
| Reduction in quantity bought (%) | 15 |
| Years to evaluate | 3 |
| Result | Value |
|---|---|
| Net annual cost of the premium | $300.00 |
| Premium paid | $1,200.00 |
| Saving from buying less | $900.00 |
| Total annual spend | $6,300.00 |
| Cost over the period | $900.00 |
| Premium per category | $240.00 |
Values shown are produced by this page in your browser; change any input to update them.
How to use the Ethical Shopping Premium Calculator
- Annual baseline spend ($) β default 6000
- Ethical premium (%) β default 20
- Categories switched β default 5
- Reduction in quantity bought (%) β default 15
- Years to evaluate β default 3
- Press Calculate to update the results instantly.
Frequently asked questions
Typically 10β30% more for food, clothing and household goods, though the gap narrows sharply for staples. Buying less of better quality often costs no more in total.
Often, yes. A 15% reduction in quantity against a 20% price premium leaves a very small net cost β and frequently a net saving, because ethical purchases tend to last longer.
Start where the premium is smallest and the impact largest: coffee, chocolate, eggs, cotton clothing and cleaning products. Leave categories where the premium is steep until later.