Compare Unit Price: 100g vs 300g Coffee
Compare the cost per gram of coffee in a 100g jar versus a 300g tin to find the better deal.
How to use this tool
- Enter price a, weight a, price b and weight b in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your cheaper option saves and the full breakdown beneath it.
Work out whether buying the larger coffee tin saves you money compared to the smaller jar.
Frequently asked questions
- How do I compare unit prices?
- Divide each product's price by its weight in grams, then multiply by 100 to get the cost per 100g. The lower figure is better value.