About mycalcstool

mycalcstool is a static calculator site built for fast decision support. We currently prioritize finance calculators such as mortgage, salary, compound growth, and tax-related tools, while keeping health and utility tools as supporting calculators.

Every calculation runs in the browser. We do not require signups, and we do not store the numbers you enter into the calculators.

What we optimize for

Fast answers

Calculator pages are designed to reach a useful estimate quickly without account creation or setup friction.

Transparent assumptions

We document formulas, tax assumptions, and update principles where they materially change the result.

Low-friction privacy

Calculator inputs stay on your device because the tools run client-side.

Supportive content

Guides and FAQs are meant to help you interpret the result, not just produce a number.

What we do not provide

mycalcstool does not recommend specific stocks, funds, loans, insurance products, brokers, or tax strategies. The calculators apply user-entered numbers to visible formulas so you can compare scenarios.

Health calculators are educational estimates and do not replace diagnosis or care. For financial, tax, legal, or medical decisions, verify the result with an official source or qualified professional.

Editorial and correction process

  1. New calculator pages include inputs, formula, example, common mistakes, limitations, FAQs, and related tools.
  2. Changing rates such as tax rules, insurance rates, and AI model prices are used only when an official or provider source can be checked.
  3. Correction requests are reviewed from the page URL, input values, expected result, actual result, and supporting reference.
  4. When a material formula or default value changes, the page explanation and methodology notes are updated together.

Trust pages

Methodology and update principles: Methodology

Corrections, policy questions, and partnerships: Contact

Direct email: golreas@gmail.com