Shopping basics
Unit price vs sticker price: compare the real value
By Guessovo3 min read
The cheapest package does not always contain the cheapest product. A unit price puts different pack sizes on the same scale, so you can compare what you pay for the quantity you receive.
Sticker price and unit price answer different questions
The sticker price tells you what one package costs. The unit price tells you what a standard amount costs: for example, a kilogram, a litre, 100 grams or one item in a pack. Both numbers matter. One shows the money you need to spend now; the other helps compare quantities.
The US National Institute of Standards and Technology describes unit pricing as a way to compare products across different package sizes. Shelf labels may already show it. If a listing does not, you can calculate it from the selling price and the stated net quantity.
Use the same measurement for both products
Divide the package price by its quantity, then multiply by the size of the comparison unit you want. For price per 100 grams, the calculation is package price ÷ grams in the package × 100. For price per item, divide by the number of equivalent items.
Here is an illustrative example in dollars. These are invented prices to demonstrate the arithmetic, not live offers.
| Pack | Sticker price | Price per 100 g |
|---|---|---|
| 300 g | $4.50 | $1.50 |
| 500 g | $6.00 | $1.20 |
- The 300 g pack: 4.50 ÷ 300 × 100 = 1.50 per 100 g.
- The 500 g pack: 6.00 ÷ 500 × 100 = 1.20 per 100 g.
- The larger pack costs more at checkout, but its price per 100 g is 20% lower.
Check that the quantities are comparable
Do not compare price per kilogram with price per 100 grams without converting one of them. Grams and millilitres also measure different things; treating them as interchangeable can give a misleading answer. Choose the same measurement and the same currency for both offers.
For multipacks, count the total quantity. Six 250 ml bottles contain 1.5 litres. If the pack costs 6, its price is 4 per litre. Comparing it with a single 1 litre bottle then becomes straightforward. Concentrates, diluted products and different specifications may need a separate comparison of what you actually use.
Calculate the price you can actually access
A multibuy or member offer may change the unit price. Use the total you would pay and the total quantity you must purchase to get that offer. Check the conditions instead of comparing a member discount with a regular price as if both were available to everyone.
Suppose one 200 g pack costs 3 and two packs together cost 5. The single-pack unit price is 1.50 per 100 g; the two-pack offer is 1.25 per 100 g. It reduces the price per gram, but also requires you to buy 400 g and spend more in total.
A lower unit price is only part of value
Buying more makes little sense if the extra amount expires, takes up space you do not have or will not be used. Product quality, suitability and the money you can spend now also matter. A smaller pack can be the sensible purchase even when its unit price is higher.
For online shopping, compare the total delivered cost as well. Shipping, taxes and a minimum order can change which basket costs less. Keep those checkout costs separate from a shelf-price comparison, and apply the same assumptions to both baskets.
What this means in a price-guessing game
Guessovo asks for the recorded price of the listed product or pack, not its unit price. Use the size and pack count to inform your estimate, then enter the full listing amount. If a product is a six-pack, guessing the price of one item answers a different question.
After the reveal, use the source link to inspect the recorded offer and compare any current alternatives. A game's dated price is useful context, but the retailer confirms today's price, stock and checkout total.
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