About Us
Welcome to Calculator Rank! We are a dedicated group of IT professionals, software engineers, and financial and health specialists enthusiastic about creating high-quality, free calculation tools and resources on the Internet. Our primary mission is to provide a comprehensive, reliable, and user-friendly collection of free online calculators for ease of public use. Originally conceived and developed as a suite of helper tools, we have grown to become a leading reference platform for consumer calculations.
At Calculator Rank, our calculators are organized into four core categories: Financial, Fitness & Health, Math, and Others. Every calculator on our site has been built in-house by our engineering team. While some of our tools incorporate open-source JavaScript libraries under respective licensing agreements, more than 90% of our calculators are programmed from scratch using standard equations and textbook formulas, such as the standard mortgage calculation formulas or the Body Mass Index (BMI) formula.
In cases where math formulas are subject to controversy or differ by country, our calculators are designed to display the results of all popular variations simultaneously (as demonstrated on our Ideal Weight Calculator). Calculators built solely for amusement, such as the Love Calculator, utilize internal, randomized algorithms. All calculations generated by our financial tools are reviewed by certified financial advisors working for major personal wealth advisory firms, and our health calculators are audited and approved by local medical practitioners. Over 99% of our informational and descriptive content is written entirely in-house, with small citations sourced from Wikipedia under the GNU Free Documentation License.
Frequently Asked Questions (FAQ)
Q: Can I link from my website to a calculator on Calculator Rank?
A: Yes. Please feel free to link to any page, calculator, or directory on Calculator Rank. You do not need written permission to link to our free tools.
Q: How should I send suggestions or report a calculation bug?
A: We highly value user feedback, feature suggestions, and bug reports. Please reach out to us using the contact form below. If your request concerns a specific calculator, please include the URL of the tool and the exact parameters (inputs) you used when the error occurred.
Q: Do you offer an API for your calculators?
A: No. We do not currently offer a public API or widget embedding codes for our calculators on Calculator Rank.
Q: How can I advertise on Calculator Rank?
A: If you want to run ads on our website, please use Google Ads placement targeting. We do not manage direct advertising optimization, private network header bidding, or banner sponsorships, and we do not respond to inquiries regarding these programs.
Q: How do I delete my data from Calculator Rank?
A: Registered users can delete their entire account, saved calculations, and settings by clicking the “Delete Account” button in their profile settings. Alternatively, you can use the “Contact Us” form below to request data removal, and our team will process your request within two business days after verification.
Contact Us
If you have any questions, suggestions, or comments, please reach out to us via the contact form below. We read all incoming messages and typically respond within two business days.