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🎉 Option B saves you 13.5% ($0.04 / unit)
More Calculators →ROUND(price / size_oz, 3) AS unit_price_oz
FROM grocery_cart ORDER BY unit_price_oz ASC;
| item | size_oz | price | unit_price_oz |
|---|---|---|---|
| Organic Rolled Oats | 32.0 | $5.49 | $0.171 |
| Standard Rolled Oats | 16.0 | $3.99 | $0.249 |
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Why Smart Value Comparison Matters
In modern retail, packaging sizes and pricing tricks are designed to obscure the true cost of items. Manufacturers frequently use shrinkflation—reducing package volume while maintaining the same price tag.
By evaluating unit price per ounce, gram, or use, and factoring in true hourly wage trade-offs, you gain total clarity over your purchasing power.