Unit Price Comparison
Compare price per 100g, per litre or per item to find which product is actually the cheapest. Instant, exact best-buy maths right at the shelf.
Which one is actually cheaper? 🛒
Enter the price and pack size of two or more products below — we'll normalise them to the same unit so you can see the real winner.
🔒 100% private & instant — every calculation runs in your browser, nothing is sent anywhere. Conversions use exact factors (1 lb = 453.59237 g, 1 US fl oz = 29.5735… ml). Built for the supermarket shelf — works great on your phone.
Why you’ll love Unit Price Comparison
Instant & free
No signup, no paywall, no limits — Unit Price Comparison works the moment the page loads.
Completely private
Everything runs in your browser. Nothing you enter is ever uploaded or stored on a server.
Works on any device
Fully responsive and touch-friendly — use it on your phone, tablet or desktop.
Accurate & clear
Built on the real formulas, with a breakdown you can actually trust.
How to use it
Open it
No download and no login — the tool is ready right at the top of this page.
Use it
Enter your details or start interacting. Everything updates live as you go.
Get your result
Copy, download or share your result in a single tap. That’s it.
Frequently asked questions
Unit Price Comparison is 100% free — no signup, no watermarks and no usage limits. It’s one of 200+ free tools we build and give away.
It uses the standard formulas and shows its working, so you can verify every number. For big decisions, treat the result as a reliable estimate.
Completely. Unit Price Comparison runs entirely in your browser (client-side). Nothing you type, upload or generate is sent to our servers, so your data never leaves your device.
No. It works instantly in any modern web browser — Chrome, Safari, Edge or Firefox — on desktop and mobile. You can even install this site as an app.
Yes. The tool is fully responsive and touch-friendly, so it works great on phones and tablets as well as computers.
Workaholic Developers — a software & AI studio. We built Unit Price Comparison (and 200+ other free tools) to show what we can do. Need something custom built? We’d love to help.
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Unit Price Comparison is one of 200+ free tools from Workaholic Developers — a software & AI studio. Need a website, app, AI agent or automation? Let’s talk.
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