Unit Converter — Length, Weight, Temperature & More

What is CalcSmart?

CalcSmart is a free, fast, and mobile-friendly collection of everyday calculators covering health, personal finance, and general math. No sign-up, no downloads — just open and calculate.

Our Goal

Most calculator sites are cluttered, slow, and hard to use on a phone. CalcSmart is built to be the opposite — clean, instant, and works beautifully on any screen. We also support metric and imperial units so it works for everyone, everywhere.

What's Available

• Health: BMI, Calorie Needs (TDEE), Heart Rate Zones, Water Intake
• Wealth: Mortgage, Compound Interest, Loan Payment, Retirement Savings
• General: Math, Percentage, Unit Converter, Age, Tip Splitter, Discount, Sales Tax

Quick-access tools for BMI, Age, Unit Conversion, Tip, Discount, and Sales Tax are available instantly on the homepage — no searching needed.

Accuracy & Disclaimer

All calculations are provided for informational and educational purposes only. They are not a substitute for professional medical, financial, or legal advice. Always consult a qualified professional before making important decisions based on calculator results.

Contact Us

Have a suggestion, found a bug, or want to request a new calculator? We'd love to hear from you at m2a2.mail@gmail.com or use the Contact page.

Overview

CalcSmart ("we", "us", or "our") is committed to protecting your privacy. This policy explains what information we collect, how we use it, and your rights regarding that information.

Information We Collect

CalcSmart does not require account creation or login. We do not collect or store any personally identifiable information you enter into the calculators. All calculations happen locally in your browser.

We may collect the following non-personal data automatically:

• Browser type and version
• Device type (desktop, mobile, tablet)
• Pages visited and time spent on site
• General geographic region (country/state level only)
• Referring website (how you found us)

This data is collected in aggregate form via analytics tools (such as Google Analytics) and cannot be used to identify you personally.

Advertising

CalcSmart displays advertisements through Google AdSense. Google may use cookies and similar technologies to show ads based on your prior visits to this or other websites. You can opt out of personalized advertising by visiting Google Ad Settings.

Cookies

CalcSmart itself does not set cookies. Third-party services (Google AdSense, Google Analytics) may set cookies in accordance with their own privacy policies. You can control cookies through your browser settings.

Voice Input

Some calculators offer optional voice input. This feature uses your browser's built-in speech recognition API. Audio is processed by your browser or its provider (e.g. Google Chrome) and is not recorded or stored by CalcSmart.

Third-Party Links

CalcSmart may contain links to external websites. We are not responsible for the privacy practices or content of those sites. We encourage you to review their privacy policies.

Children's Privacy

CalcSmart is not directed at children under 13. We do not knowingly collect personal information from children. If you believe a child has provided personal information, please contact us and we will delete it promptly.

Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated effective date. Continued use of CalcSmart after changes constitutes acceptance of the revised policy.

Contact

For privacy-related questions or requests, please contact us at m2a2.mail@gmail.com.

Acceptance of Terms

By accessing and using CalcSmart, you accept and agree to be bound by these Terms of Use. If you do not agree to these terms, please do not use the site.

Use of the Site

CalcSmart is provided for informational and educational purposes only. You may use the site for personal, non-commercial purposes. You may not:

• Copy, reproduce, or redistribute CalcSmart content without permission
• Use the site for any unlawful purpose
• Attempt to disrupt or interfere with the site's operation
• Scrape or automate access to the site

Disclaimer of Warranties

CalcSmart is provided "as is" without warranties of any kind. We do not guarantee the accuracy, completeness, or suitability of any calculation for any particular purpose. Calculator results are estimates only and should not be relied upon as professional advice.

Limitation of Liability

CalcSmart and its owners shall not be liable for any direct, indirect, incidental, or consequential damages arising from your use of the site or reliance on its results.

Professional Advice

Nothing on CalcSmart constitutes medical, financial, legal, or other professional advice. Always consult a qualified professional before making decisions based on calculator results.

Changes to Terms

We reserve the right to modify these terms at any time. Continued use of the site after changes constitutes acceptance of the updated terms.

Contact

Questions about these terms? Contact us at m2a2.mail@gmail.com.

Have a question, suggestion, or found a bug? We'd love to hear from you. Fill out the form below or email us directly at m2a2.mail@gmail.com.

Or email us directly: m2a2.mail@gmail.com