---
title: "About | Pebble Pouch"
description: "Pebble Pouch is a small set of free shopping calculators for unit prices, bulk buys, cost per use and shrinkflation. Everything runs in your browser."
url: https://pebblepouch.shop/about/
---

# About Pebble Pouch

Small, free calculators for one everyday question: which of these is actually the better buy?

## What it is

Pebble Pouch turns shelf prices into numbers you can compare: the unit price of a pack in any common unit, a ranking of several products, the real cost of a bulk pack once waste is counted, the cost per use of things that last, and how much a shrinking pack has really gone up. Each page explains its formula with a worked example, so you can check the answer by hand.

## How it works

Everything runs in your browser. The formulas and unit conversions are part of the page, so nothing you type is sent anywhere, and once a page has loaded it keeps working without a connection. Unit conversions use the exact definitions published by the US National Institute of Standards and Technology (NIST). There are no accounts, cookies or ads.

## What it is not

It is not a price comparison service: it doesn't know what any shop charges, and it never looks prices up. It works only with the numbers you enter, and the answer is only as good as those numbers.