Free Shopping Tool
Price Per Unit Comparator
Compare 2 to 4 pack sizes side by side by cost per unit and instantly see which option gives you the best value for money, no matter the pack size or quantity.
Fill in the price and quantity for at least 2 packs to compare value.Waiting
How to get the most from this tool
Enter the total shelf price and total quantity for each pack and the tool calculates cost per unit instantly
Use the Pack Label field to note the brand name, size description, or store so results are easy to remember
Click Add Pack to compare up to four options at once when a store has multiple size variants on shelf
Switch the Unit Type to grams, millilitres, tablets, or any other measure to match the product you are comparing
The green highlight and Best Value badge instantly identify the cheapest option per unit across all packs
The vs Best column shows the percentage premium each pack costs over the cheapest option so you see the true cost difference
Bigger packs are not always cheapest; bulk sizes sometimes carry a premium so always verify with this tool
Click Save to History to keep a record of multiple product comparisons during one shopping trip
Use Copy Results to paste the comparison directly into a notes app or share it with someone else
All calculations happen instantly in your browser with no data sent anywhere and no account required
