About CalcHub
Free, fast, and beautifully designed calculators for everyday decisions.
Our Mission
CalcHub was built to give everyone access to powerful, easy-to-use calculators — without ads, paywalls, or unnecessary complexity. Whether you are planning your finances, improving your health, or making a big life decision, our tools help you think clearly with numbers.
What We Build
We offer 60+ calculators across finance, health, lifestyle, work, and home categories. Every calculator is designed to be fast, mobile-friendly, and privacy-respecting — your data never leaves your browser.
Privacy First
No accounts. No tracking of personal data. All calculations happen entirely in your browser. We use anonymous analytics only to understand which tools are most helpful.
Open Source
CalcHub is open source and licensed under the MIT License. You are welcome to explore the code, report issues, or contribute on GitHub.
Get in Touch
Have a question, found a bug, or want to suggest a new calculator? We would love to hear from you.