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Calculate ratios, proportions, and scale factors for numbers. Free online ratio calculator for recipes, finance, and engineering.
Las herramientas matemáticas y estadísticas utilizan la librería Math estándar de JavaScript con control de precisión de punto flotante. Cubren cálculos cotidianos, matemáticas financieras y escenarios estadísticos.
We noticed many online calculators track inputs or require accounts. We built this tool to run entirely in your browser — no tracking, no uploads, just instant results.
Sí, completamente gratuita y sin registro.
Sí, funciona en navegadores móviles con soporte táctil.
Matemáticas
Todos los cálculos usan la biblioteca Math estándar de JavaScript con control de precisión de punto flotante. Los resultados son fiables.
ToolPure provides calculators for percentages, compound interest, statistics (mean, median, standard deviation), unit conversions, and number base conversions (binary, octal, decimal, hexadecimal).
Calculations use JavaScript Number type with up to 15-17 significant digits. For high-precision requirements, the tools support BigNumber.js for arbitrary precision arithmetic up to 100 decimal places.
Yes, calculation results can be copied to clipboard, downloaded as JSON or CSV files, or shared via URL parameters that encode the input values and results.
🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.