About

Our Mission

JustPercentage provides free, accurate, and easy-to-use tools and information to help people make better decisions. We provide free percentage calculators, tax estimators, GPA calculators, and other mathematical tools along with educational content explaining the concepts behind each calculation.

We believe essential information and practical tools should be accessible to everyone, regardless of budget. That is why every tool and resource on justpercentage.com is completely free to use, with no registration, no hidden fees, and no paywalls.

How We Stay Free

This site is supported by advertising through Google AdSense and affiliate partnerships through the Amazon Associates Program. These revenue sources allow us to maintain and improve the site without charging users. Advertising and affiliate relationships never influence the accuracy of our tools or the objectivity of our content. When we link to products on Amazon, we earn a small commission at no additional cost to you.

Content Quality

All content on JustPercentage is original, researched, and regularly reviewed for accuracy. Our tools are built with careful attention to established standards, formulas, and data sources. When we present data, we draw from government agencies, academic research, industry reports, and other authoritative sources. We update our content regularly to ensure it reflects current information.

Accuracy Commitment

While we strive for accuracy in all our tools and content, we encourage users to verify critical information independently. Our tools are designed for general reference and educational purposes. For decisions with significant financial, legal, or health implications, we recommend consulting with qualified professionals who can consider your specific circumstances.

Part of the PinworthyTools Network

JustPercentage is part of the PinworthyTools network of free utility websites. The network includes tools for calculations, conversions, planning, and reference across a wide range of everyday needs. Each site in the network is built with the same commitment to quality, accessibility, and user privacy.

Contact

We welcome feedback, suggestions, and corrections. If you find an error, have a feature request, or want to get in touch, please reach out through our site. We read every message and use your feedback to improve the site.

Data Accuracy

Our calculators use standard mathematical formulas verified against established references. Tax rate data is sourced from official state and local government publications and updated regularly to reflect current rates. We recommend verifying critical tax calculations with a qualified tax professional, as individual circumstances including deductions, credits, and filing status can significantly affect your actual tax liability beyond what any general calculator can model.