How do I use the Shopping Tools?

Enter the required values and the Shopping Tools will instantly calculate and display the result. No registration required.

Is the Shopping Tools free?

Yes, all tools on CalcBOX are completely free with no registration required.

All calculations are performed in your browser. No data is sent to any server.

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Unit price comparison and price watchlist in one. Track deals and find the best value.

Currency:

Unit Type to Compare

Common Comparisons

Price

Quantity

Unit

Price

Quantity

Unit

Compare product prices across supermarkets, drug stores, and online shops like Amazon and Rakuten.

Compare by weight (g/kg), volume (mL/L), count, or length. Calculates unit price per 100g, per piece, etc.

Includes shipping and points for effective unit price comparison.

📖How to Use

💡Tips & Knowledge

•Comparing by price per gram accurately shows whether bulk or small packs are cheaper
•Register both sale and regular prices to spot genuine deals
•Bulk savings = (regular unit price − bulk unit price) × quantity

All calculations run in your browser. No data is sent to any server.