Shopping & Consumer CostsSide-by-Side Value
Unit Price Comparison Calculator
Compare two competing brands or different package sizes side-by-side to find the true lowest cost per ounce, pound, gram, or count.
Option A
Option B
Winner:Evaluating...
Unit Price A vs B:$0.00 / oz vs $0.00 / oz
Savings Percentage:0.0%
Unit Price Normalization Formula
Unit Price = Package Price / Package Quantity; Price Difference % = |Unit Price A - Unit Price B| / Higher Unit Price × 100- Standardized Basis: Normalizes disparate volume and weight measurements to equal denominators (e.g., price per ounce).
- Value Delta: Exact dollar savings per unit and percentage discount gained by choosing the more economical package.
Step-by-Step Worked Example
Scenario:
Calculation Steps:
Result:
How to Use This Calculator
Assumptions & Limitations
- Both options contain active ingredient concentrations of comparable strength.
- Packaging waste and portability preferences are not quantified monetarily.
Frequently Asked Questions
Is the larger package always cheaper per unit?
Not always. In a phenomenon known as the "quantity surcharge," retailers occasionally price larger packages at higher unit rates than promotional smaller sizes, assuming shoppers blindly assume bigger means cheaper.
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