Unit Price Calculator for Package Comparisons
Compare package prices by calculating price per unit for groceries, supplies, subscriptions, and bulk purchases.
Item A
Item B
Item A
$0.83
per unit
Item B
$0.72
per unit
Better value
Item B
Difference: $0.11 per unit.
Unit price equals total price divided by quantity.
The lower unit price is usually the better value when package units are truly comparable.
Use comparable units
Compare ounces to ounces, items to items, or servings to servings.
Use effective prices
Apply coupons, discounts, or tax before entering price when those matter.
Example
$9.99 for 12 units is about $0.83 per unit.
Assumption
The unit labels and product quality are comparable.
Limitation
It does not account for spoilage, storage cost, shipping, or brand preference.
Groceries
Compare family packs, cans, ounces, and servings.
Office supplies
Compare paper, ink, labels, or bulk stationery.
Subscriptions
Compare per-seat or per-month effective cost.
Bulk buying
Check whether a larger package really saves money.
What is unit price?
Unit price is the total price divided by the number of comparable units, such as ounces, items, pages, or servings.
Can I compare different package sizes?
Yes. Enter each package price and quantity, then compare the resulting cost per unit.
Does this include taxes or discounts?
Use the final effective price after discounts or tax if you want those adjustments reflected in the unit price.
Does the calculation need a backend?
No. The unit price math runs directly in your browser.
Suggested workflow
Shopping math workflow
Compare unit prices, apply tax, then check discount impact.