Unit Price Calculator

How Unit Price Calculator works

Compare value by calculating price per unit, litre or kilogram. Enter the price and the quantity to see the unit price — the only fair way to compare pack sizes. Everything happens inside this page: the tool reads your input, runs the calculation or conversion locally, and hands the result back to you. Nothing is transmitted, because there is no backend to transmit it to.

That design choice is deliberate. Most free tool sites upload your files to a server, process them there, and quietly keep a copy. Toolcin cannot do that — the site is a set of static files. If your connection dropped the moment the page finished loading, every tool would still work.

Price divided by quantity

Unit price is the price divided by the quantity, which is how supermarkets display a comparable figure on the shelf label. A 450 pack of 2.5 kg is 180 per kg; the same product in a 1 kg pack at 210 is worse value despite the smaller total.

That comparison is the entire point: the pack with the lower price is often not the cheaper unit.

Watch the units

The result is per whatever unit you entered. Mixing grams with kilograms, or litres with millilitres, produces a comparison that looks fine and is wrong by a factor of a thousand.

Convert to a common unit first — the unit converter pages handle that.

Where it fails

Different quality, different brands and different packaging are not comparable on price alone. Unit price answers “which is cheaper per gram”, not “which should I buy”.

Good to know

• Works offline once loaded, including on flights and in locked-down networks.
• No file size limit beyond your device's own memory.
• Free to use, with no account and no usage counter.
• Results are produced locally, so they are not logged or shared with anyone.

Questions