Use this free Unit Price Calculator to compare product prices by unit, ounce, pound, item, pack, roll, bottle, or quantity.
Enter the price and quantity for two products to compare which option has the lower unit price.
Item 1
Item 2
How This Unit Price Calculator Helps
This calculator helps compare two products by finding the price per unit. It can be useful when shopping for groceries, household items, bulk packages, drinks, paper products, pet supplies, or any item sold in different sizes.
A lower total price does not always mean a better deal. A larger package may cost more upfront but have a lower price per unit. This calculator helps show which option may give more value for the money.
Unit Price Example
For example, if Item 1 costs $12 for 6 items, the unit price is $2.00 per item. If Item 2 costs $18 for 12 items, the unit price is $1.50 per item. In that example, Item 2 has the lower unit price.
You can use the same idea for ounces, pounds, rolls, bottles, packs, servings, or any other quantity as long as both items use the same type of measurement.
Common Ways to Use This Calculator
Grocery Prices
Compare price per ounce, pound, serving, bottle, can, or item while shopping.
Bulk Packages
Check whether a larger package is actually cheaper per unit than a smaller package.
Household Items
Compare paper towels, toilet paper, detergent, trash bags, batteries, and other common products.
Better Deal Checks
Quickly estimate which product may offer the better value before buying.
How to Read the Results
The calculator divides each item’s price by its quantity to estimate the unit price. The item with the lower unit price is usually the better deal if the products are similar and the quantities use the same measurement.
Results are estimates only. Actual value may also depend on product quality, brand, coupons, taxes, shipping, expiration dates, package size, store rules, or personal preference.
Unit Price Calculator FAQs
What is unit price?
Unit price is the cost for one unit of a product, such as one ounce, one pound, one item, one roll, or one bottle.
How do I calculate unit price?
Divide the total price by the quantity. For example, $12 divided by 6 items equals $2 per item.
Can I compare ounces and pounds?
You should convert both products to the same unit first. Comparing ounces to ounces or pounds to pounds gives a clearer result.
Is the lowest unit price always the best deal?
Not always. The lowest unit price may be a better value, but quality, brand, expiration date, storage space, and personal preference can also matter.
Can I use this for bulk shopping?
Yes. This calculator can help compare bulk packages against smaller packages to see which has the lower cost per unit.
Are the results exact?
Results are estimates based on the numbers entered. Taxes, coupons, fees, shipping, rounding, or store pricing may change the final value.