About YourCalculator.org

YourCalculator.org provides free, browser-based calculators for common questions in math, personal finance, health, dates, cooking, and education. The goal is to make each result quick to obtain and easy to verify.

Our approach

Each calculator identifies its method, assumptions, and important exclusions. Standard mathematical formulas and conversion factors are used wherever possible. We do not present calculated estimates as professional advice.

Editorial standards

Calculator instructions are written for people rather than search engines. We review formulas, examples, labels, units, and edge cases when a tool is created or materially changed. If you find an error, please contact us with the calculator name, inputs, expected result, and source supporting the correction.

Privacy by design

Calculations run in the browser. Values typed into calculator fields are not submitted to or stored by our server. See the privacy policy for information about ordinary web logs, analytics, advertising, and consent choices.