How to Calculate Unit Price (Price per 100 g or per Item)
Unit price = total price / quantity. 300 JPY for 500 g = 300/500 = 0.6 JPY/g, or 60 JPY per 100 g. Compare per-100g prices to find the cheaper option.
Open the interactive Everyday Lifestyle tool →Formula: unit price = price / quantity
Key facts
| Formula | unit price = price / quantity |
|---|---|
| Per 100 g | price / grams x 100 |
| 300 JPY / 500 g | 60 JPY per 100 g |
| Per item | price / number of items |
Frequently asked questions
How do I compare two pack sizes?
Convert both to price per 100 g (or per item). 300 JPY/500 g = 60 JPY/100 g; pick the lower per-100g price.
How do I find price per gram?
Divide the total price by grams. 300 JPY for 500 g is 0.6 JPY/g.
What is the price per liter from milliliters?
Divide price by mL, then multiply by 1000. 150 JPY for 500 mL = 300 JPY/L.
Related pages
Unit Price Calculator is part of Everyday Lifestyle on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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