Privacy Policy

Last updated: July 8, 2026

At 1Calculator.online, accessible from https://1calculator.online, one of our main priorities is the privacy of our visitors. This Privacy Policy document outlines our policies regarding the collection, use, and disclosure of information when you use our services.

1. Pure Client-Side Execution

Unlike standard web services, 1Calculator.online runs entirely inside your client browser window using client-side JavaScript. This means that any numeric parameters, wages, rates, medical dimensions, or chemical concentrations you input are calculated entirely locally. None of your calculations or raw data parameters are sent to, stored on, or processed by remote servers.

2. No Registration or Personal Data Collection

We do not require user accounts, logins, email signups, or profiles to access any of our 30+ calculators. You are free to browse and use all tools anonymously.

3. Log Files

1Calculator.online follows a standard procedure of using log files. These files log visitors when they visit websites. Most hosting companies do this as part of hosting services' analytics. The information collected by log files includes internet protocol (IP) addresses, browser type, Internet Service Provider (ISP), date and time stamp, referring/exit pages, and possibly the number of clicks. These are not linked to any information that is personally identifiable. The purpose of the information is for analyzing trends, administering the site, tracking users' movement on the website, and gathering demographic information.

4. Web Browser Storage

We utilize browser localStorage to store your most recent searches locally to improve search suggestion efficiency. This information is saved solely on your device and can be cleared at any time by emptying your browser cache.

5. Contacting Us

If you choose to contact us via email or using our contact forms, we will only use your email address and name to respond to your specific query. We will never sell, lease, or distribute your email address to third-party newsletter lists.