AboutStatistics.tools
Free, privacy-first statistics calculators for students, researchers, and professionals
What is Statistics.tools?
Statistics.tools is a free collection of browser-based statistics calculators designed for students, researchers, and professionals. Every calculation runs entirely in your browser — your data never leaves your device.
Key Features
Privacy First
All calculations happen in your browser. Your data never leaves your device.
Instant Results
No server round-trips. Get your results the moment you enter your data.
Completely Free
No subscriptions, no hidden fees, no ads. Just free statistics tools.
Works Everywhere
Use on any device with a modern browser. No installation required.
Who It's For
Students
From introductory statistics to advanced coursework.
Analysts
Quick calculations for data analysis and reporting.
Researchers
Reliable tools for hypothesis testing and estimation.
Professionals
A/B testing, surveys, and business analytics.
Statistics.tools is built by Stephen Taylor, a developer with over 20 years of experience in data analysis and web development. Stephen holds a degree in Biochemistry from Queen's University in Canada, with graduate-level studies in bioinformatics. His goal is to make statistical analysis accessible to everyone, regardless of their software budget or technical expertise.
This project is part of a broader effort to create free, high-quality tools for education and research.
Open Source Acknowledgments
Statistics.tools is built with these excellent open-source libraries:
Important Disclaimer
Statistics.tools is designed for educational purposes and quick calculations. While we strive for accuracy, please verify critical results independently. For high-stakes decisions in research, medicine, or business, consult with a qualified statistician.
The tools implement standard statistical formulas and numerical methods. We cannot guarantee suitability for any specific use case.
Have Feedback?
Found a bug, have a suggestion, or want to request a new calculator? We'd love to hear from you.
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