🛒 Unit Price Comparison Calculator
Supermarkets love keeping you in the dark about actual unit prices. This calculator directly compares what you pay per unit for two packages — so you see the real deal without marketing tricks.
Product 1 per unit
£0.05
Product 2 per unit
£0.04
Product 2 is better
20% goedkoper
Product 1 unit price: £5.00 ÷ 100 = £0.05
Product 2 unit price: £8.00 ÷ 200 = £0.04
Formula
Unit price = Total price ÷ Quantity. Compare both unit prices for the best value.
Real value doesn't depend on package size — it's about how much you pay per unit. By calculating both unit prices you instantly see which size offers the best deal. Bigger packages aren't always cheaper!
Steps
- 1Enter the price of product 1 and its quantity.
- 2Enter the price of product 2 and its quantity.
- 3The calculator computes both unit prices for you.
- 4Compare and instantly see which product offers the best value.
Typical unit prices by category
| Product category | Small package | Large package | Advantage |
|---|---|---|---|
| Milk | EUR 1.50/L | EUR 1.25/L | 16.7% savings |
| Cereal | EUR 10.64/kg | EUR 9.50/kg | 10.7% savings |
| Peanut butter | EUR 8.40/kg | EUR 7.50/kg | 10.7% savings |
Unit price varies depending on package size — always compare!
commonMistakes
- Assuming "bulk" is always cheaper — not always true, many stores use confusing pricing.
- Not calculating the unit price — and losing money to visually appealing packaging.
- Not verifying quantities — stores use different units to make comparison impossible.
useCases
- Shopping cart comparison — see which brands and sizes truly offer better value.
- Brand comparison — determine if the pricier option truly offers better quality.
- Budget planning — know how much you can save by choosing smarter.