Free Unit Price Calculator
Compare two package sizes to find the better deal.
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Inputs
Result
Better value
Item B
5.5% cheaper per unit
Your result is ready.
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Estimates only. Verify with a professional for consequential decisions.
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Short answer
Compare two package sizes to find the better deal.
What is the Unit Price Calculator?
Compare two package sizes to find the better deal.
How does the Unit Price Calculator work?
Enter the inputs above and read the result.
Formula
Variables
QuantityWeight, volume or count — use the same unit for both items
Explanation
Larger packages are usually but not always cheaper per unit.
Examples
Applications
Advantages
Limitations
Common mistakes
Tips
Related concepts
The Unit Price Calculator sits inside the Everyday & Utility Calculators hub, in the shopping & value cluster. Price comparison and everyday value decisions. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.
Practical use cases and industry applications
Understanding Unit Price
Compare two package sizes to find the better deal. Within everyday & utility calculators, unit price belongs to the shopping & value cluster, where it shares terminology and assumptions with closely related tools.
Learning how unit price is calculated
Larger packages are usually but not always cheaper per unit. Working through the variables one at a time — Quantity — makes the result reproducible by hand and easier to sanity-check.
Using unit price to make a decision
Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.
How unit price compares with related measures
unit rate, price per unit, total cost of ownership all describe adjacent aspects of shopping & value. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.
Frequently asked questions
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