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About Us — Our Commitment to Trust & Accuracy

Welcome to Any Percentage Calculator. We provide precise, fast, and transparent mathematical tools. Every calculator on this site is built with verifiable formulas, audited logic, and a strict commitment to editorial integrity.

Editorial Standards & Verification Process

All mathematical formulas implemented on this site are sourced from peer-reviewed academic literature, officially published financial regulations, and authoritative medical guidelines. Before any calculator is published:

  • Formula Sourcing: Every formula is cross-referenced against at least two independent authoritative sources — such as textbooks, government publications (e.g., IRS Publication 17 for tax calculations), or standards bodies (e.g., WHO growth standards for BMI).
  • Peer Review: Each calculator undergoes internal logic audit by a contributor with domain-relevant expertise (mathematics, finance, or health science background).
  • Edge Case Testing: We test boundary inputs — zero values, negative numbers, extreme ranges — and verify outputs against known reference calculations.
  • Continuous Updates: Tax rates, GST/VAT rates, health reference ranges, and financial benchmarks are reviewed quarterly and updated to reflect the latest regulatory changes.

Users can inspect the formula displayed on every calculator and verify the math themselves. We believe transparency is the foundation of trust.

Team & Editorial Credentials

Any Percentage Calculator was created and is maintained by Yunus, a software engineer with a focus on building accurate, transparent mathematical tools for everyday use. Every calculator on this site is personally researched, implemented, and tested by me.

My editorial process is backed by:

  • Mathematical Verification: Every formula is cross-checked against authoritative sources before implementation.
  • Financial Accuracy: Tax and finance calculators reference official gazette rates from the IRS (USA), HMRC (UK), and the Australian Taxation Office (ATO), as well as international standards for VAT/GST.
  • Health & Medical Review: Health calculators cite the World Health Organization (WHO), Centers for Disease Control and Prevention (CDC), and the American Diabetes Association (ADA) for reference ranges and interpretive categories.
  • Edge Case Testing: Every calculator is tested with boundary inputs — zero values, negative numbers, and extreme ranges — to ensure correctness.

YMYL (Your Money Your Life) Non-Advisory Boundaries

Because some calculators on this site touch on health and financial topics — areas Google classifies as Your Money or Your Life (YMYL) — we want to be absolutely clear about the purpose and limitations of our tools:

Health Calculators — Educational Modeling Only

Tools like BMI, Medication Dosage, Blood Sugar, Calorie Deficit, Body Fat, Weight Loss, and Muscle Gain calculators are provided for educational and self-tracking purposes only. They do not constitute medical advice, diagnosis, or treatment recommendations. Always consult a qualified healthcare professional before making any health-related decisions.

Finance Calculators — Informational Reference Only

Tools like GST/VAT, ROI, Compound Interest, Profit Margin, and Commission calculators are provided for informational and educational reference only. They do not constitute financial, tax, or legal advice. Tax rates and financial benchmarks change; always verify with a qualified professional or official government source before making financial commitments.

General Calculators — Illustrative Purposes

All other percentage calculators (math, shopping, education, real estate, business) are provided for illustrative purposes. Results should be independently verified before use in any critical decision-making context.

Why I Built This

I noticed that many online calculators were either cluttered with intrusive ads, slow to load, or difficult to use on mobile devices. I set out to build a dark-mode-first, high-performance web application that focuses entirely on the user experience — without compromising on accuracy or transparency. My goal is to provide tools that are as useful to a student doing homework as they are to a professional analyzing business metrics.

Precision and Accuracy

Accuracy is our top priority. Our algorithms are rigorously tested to ensure they provide the correct results for every possible input scenario. We also display the formulas used for each calculation so you can understand — and verify — the math behind the numbers.

Free and Private

Any Percentage Calculator is completely free to use. I do not require any sign-ups, and all calculations are performed instantly in your browser. No personal data is stored or transmitted when you use the tools.

Authoritative References & Citations

Our calculators and editorial content draw from the following recognized authorities. These sources inform our formula implementations, reference ranges, and interpretive guidance.

Health & Medical References

Financial & Tax References