Free unit converters and daily calculators

Free browser-based converters and calculators for measurements, dates, percentages, GPA, cooking, data storage, pressure, energy, and power.

UnitQuickTools focuses on direct search-intent tasks: converting centimeters to inches, kilograms to pounds, Fahrenheit to Celsius, days between dates, percentages, GPA, cooking measurements, and data storage units.

Fast practical tools for everyday calculations

1. Choose the matching converter or calculator.
2. Enter values, dates, units, grades, or time fields.
3. Adjust decimals or swap units when needed.
4. Copy the browser-calculated result.

Do these converters upload my inputs?

No. UnitQuickTools runs conversions and daily calculations in your browser. The numbers and dates you enter are not sent to an application server.

Why is my result rounded?

The tool defaults to four decimal places for readability. You can increase or reduce decimals from the settings panel.