About MaryGee

Useful tools for real-life decisions.

MaryGee creates simple online calculators, practical guides and digital planning resources designed to make complicated decisions easier to understand.

What we build

Our free tools are designed to run directly in your browser whenever practical. That means fast calculations, less unnecessary data collection and a straightforward experience.

Alongside those tools, MaryGee publishes educational guides, checklists and premium editorial workbooks that help people move from a calculation to an organised plan.

How we work

MaryGee aims to explain numbers in plain language, show assumptions clearly and separate useful guidance from sales messages. Our calculators are planning tools, not a substitute for professional advice.

Global by design

MaryGee.com is built for an international audience. Currency, terminology, paper sizes and product formats may vary by location, and we continue to expand support as the site grows.

Our editorial standard

Every major MaryGee page should help the visitor accomplish something useful. We favour clear explanations, practical examples, accessible design and transparent limitations over unnecessary complexity.