Privacy policy

Last updated 9 November 2026.

Concrete Gravel Calculator has no accounts, sign-up forms or comments, so it does not ask for your name, email address or other personal details. This page explains the little that is collected and how to opt out.

Analytics

We use Google Analytics 4 to understand which pages are used, so we know what to improve. It records the pages you view, the site that sent you, your browser, device type, screen size, language and an approximate location derived from your IP address. We do not send Google your name, your email address or anything you type into the site.

Google Analytics sets first-party cookies named _ga and _ga_* to tell visits apart; they last up to two years. Google processes this data as our service provider, and it may be handled in the United States. You can block these cookies in your browser or install Google's opt-out add-on. Google explains how it uses this information at How Google uses information from sites that use its services.

Performance measurement

Our hosting provider adds a small script that measures how quickly pages load. It sets no cookies, records page addresses without anything after a # sign, load timings and basic browser and device details, and skips visitors connecting from the European Economic Area, the United Kingdom and Switzerland.

Advertising

Concrete Gravel Calculator shows ads from Google AdSense to cover its running costs. Third-party vendors, including Google, use cookies to serve ads based on your earlier visits to this site and other sites. Google's advertising cookies let it and its partners show you ads based on those visits.

You can turn off personalised advertising in Google's Ads Settings, and opt out of other vendors' cookies for personalised advertising at aboutads.info. Visitors in the European Economic Area, the United Kingdom and Switzerland are asked for consent before any advertising cookies are set.

Hosting

Like any website, our hosting provider processes the technical details of each request, including your IP address, to deliver pages and protect the site from abuse. Concrete Gravel Calculator does not keep its own server logs.

Children

Concrete Gravel Calculator is a general audience site. Because it has no accounts or forms, it does not knowingly collect personal information from anyone, including children.

Your rights and contact

Depending on where you live, you may have the right to ask what data is held about you and to have it deleted. Write to admin@concretegravelcalculator.com and we will help where we can.