Unit Price & Best Value Calculator
Compare product package prices and quantities to find the cheapest unit price and best deal.
- 100% free
- Private in browser
- No signup
- No watermarks
Comparison Breakdown
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About Unit Price & Best Value Calculator
Never overpay at the grocery store or online. Compare up to 4 different product options with varying weights, volumes, or pack sizes to find the lowest price per unit and exact percentage savings.
How to use Unit Price & Best Value Calculator
- Enter the price and quantity for Option A (e.g. $4.99 for 500 grams).
- Enter the price and quantity for Option B (e.g. $7.29 for 800 grams).
- The tool instantly highlights the Best Value choice and shows cost per standard unit.
- Check the percentage difference to see exactly how much you save.
Key features
- Compare up to 4 different products simultaneously
- Supports Weight (g, kg, oz, lb), Volume (ml, L, fl oz, gal), and Units/Count
- Highlights the #1 Best Value winner with a badge
- Calculates exact savings percentage compared to the most expensive option
- Mobile-friendly design for shopping on the go
Frequently asked questions
- What is a unit price?
- A unit price is the cost per standard unit of measurement (such as per 100g, per kg, or per ounce), making it easy to compare items of different sizes.
- Can I compare items with different units (e.g. grams vs kilograms)?
- Yes! Select the corresponding unit for each item and the calculator automatically normalizes them.
- What do I need to enter?
- Just Price, Quantity and Unit. Every field has a sensible default you can start from.
- Is my data uploaded anywhere?
- No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
- Does it work on a phone?
- Yes. The layout adapts to small screens and needs no app or signup.
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