Compare products to find the best deal by unit price
Is the bigger package really cheaper? Enter the price and weight for two products and instantly see the unit price comparison. Supports ounces, grams, kilograms, and pounds. Use it right in the grocery store on your phone.
Product A
Product B
Photograph an object to get its weight, or use the converter directly.
Our AI identifies the object and estimates its weight in your preferred unit.
Get weight displayed in multiple units with instant conversion.
The lowest price per ounce wins, and the biggest package is not always it. Here the same product compared four ways shows why you check the unit price.
| Option | Price | Size | Per oz |
|---|---|---|---|
| Standard | $4.99 | 16 oz | $0.31 |
| Bulk pack | $8.49 | 32 oz | $0.27 |
| Store brand | $3.29 | 12 oz | $0.27 |
| On sale | $3.99 | 20 oz | $0.20 ✓ |
Divide price by size to get the per-unit cost. The sale item beats the bulk pack here despite being smaller.
The average family can save 20-30% on groceries by consistently choosing the better unit price. Stores often use different package sizes and units to make comparison harder. Our calculator cuts through the noise. Just enter two prices and weights, and the better deal is highlighted instantly.
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Scale to Grams