🛒 Shopping Price Calculator
Compare prices and find the best deals
Product A
Product B
About Shopping Price Comparison
This calculator helps you compare prices between different products or package sizes to find the best value. It calculates the unit price (price per unit) after applying any discounts, making it easy to determine which option saves you the most money.
How to Use
- Enter Product A Details: Input the price, quantity, unit type, and any discount percentage
- Enter Product B Details: Input the same information for the second product
- Compare: The calculator will show which product offers the better value per unit
- Unit Types: Use consistent units for accurate comparison (oz, lb, kg, ml, L, items, etc.)
Calculation Formula
Final Price = Original Price × (1 - Discount% / 100)
Unit Price = Final Price / Quantity
The product with the lower unit price is the better deal.
Shopping Tips
- Always compare unit prices, not just total prices
- Larger packages aren't always cheaper per unit
- Consider storage space and expiration dates
- Factor in coupons and discounts
- Compare same units (convert if necessary)
Frequently Asked Questions
What is unit price?
Unit price is the cost per single unit of measurement (per ounce, pound, liter, item, etc.). It allows you to compare products of different sizes or quantities fairly by showing the true cost per unit.
How do I compare products with different units?
Convert both products to the same unit before comparing. For example, if one product is priced per ounce and another per pound, convert both to ounces (1 lb = 16 oz) or both to pounds before entering the values.
Should I always buy the cheaper unit price?
Not always. Consider factors like storage space, expiration dates, and whether you'll actually use the entire quantity. Sometimes a slightly higher unit price is worth it if it prevents waste or fits your needs better.
How do discounts affect the comparison?
Discounts can significantly change which product is the better deal. This calculator applies the discount percentage before calculating the unit price, so you can see the true cost after savings. Always factor in coupons, sales, and promotions when comparing.