Unit Price Comparison Calculator
Compare products by what they cost per gram, millilitre or item, so the best value is obvious even when pack sizes differ. Add as many items as you like to line up; the math runs locally in your browser.
- 100% free
- Private & safe
- Runs in your browser
Why use Unit Price Calculator?
Unit Price Calculator gives you accurate results instantly, with the underlying formula shown so you can trust the numbers.
- Runs instantly in your browser — nothing to install, nothing uploaded.
- Completely free, with no account, no watermarks and no usage limits.
- Handles Unit price = price ÷ quantity; Lowest unit price is the best value.
- Enter each product's price and quantity (e.g. grams, ml or count).
- Works on any device — desktop, tablet and phone — and is fully keyboard accessible.
How to use Unit Price Calculator
- Enter each product's price and quantity (e.g. grams, ml or count).
- The tool computes each price per unit.
- The best-value option is highlighted.
- Add more products to compare.
Examples
- Comparing a 500 g pack at $4.50 with a 900 g pack at $7.20.
- Finding the cheaper option between two sizes.
Formulas
- Unit price = price ÷ quantity
- Lowest unit price is the best value
Limitations
- Compare like with like — use the same unit for every product.
- Does not factor in quality, brand or freshness.
Frequently asked questions
What quantity should I enter?
Use the same unit for every product — grams, millilitres or item count — for a fair comparison.
How many products can I compare?
As many as you like; add rows as needed.
Is anything uploaded?
No — it runs entirely in your browser.
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