Productivity

UNIT CONVERTER

Convert between 80+ units across 12 categories with batch view, history, and precision control.

Common Conversions

History

Frequently Asked Questions

Is my data saved between sessions?

Data is stored locally in your browser using localStorage. Clearing your browser data will remove it.

Can I lose my data?

Since data is stored locally, clearing browser data or using a different device will not carry over your information.

Does this work offline?

Yes, once loaded, all functionality works entirely offline with no internet connection needed.

Is my data private?

Absolutely. Everything stays in your browser. No data is sent to any server or third party.

How many unit categories are supported?

12 categories: Length, Mass, Volume, Temperature, Area, Speed, Time, Digital Storage, Energy, Pressure, Frequency, and Data Transfer Rate â€” over 80 units total.

How does the batch view work?

Click 'All Units' to see the converted value in every unit within the current category. Click Copy on any row to copy that specific converted value.

What is the precision slider?

The precision slider controls how many decimal places are shown in the result. Slide from 0 (whole numbers) to 10 (maximum detail).

How does temperature conversion work?

Temperature uses proper formulas (not simple factors). Celsius, Fahrenheit, and Kelvin convert correctly using their respective offset formulas.

Is my data saved between visits?

Yes, your conversion history is saved in your browser's local storage. It persists until you clear browser data or click Clear.

How to Use

Set Up

Configure the tool by entering your data or adjusting the settings to your preference.

Use the Tool

Interact with the tool to track, organize, or generate content as needed.

Review & Export

View your data, make adjustments, and export or copy results when ready.

Pick a Category

Select from 12 categories using the grid at the top. Each category has its own set of units.

Enter Your Value

Type a number, select From and To units, and see the result instantly. Adjust precision with the slider.

Use Quick Conversions

Click any common conversion button to instantly set up a popular conversion pair.

About the Unit Converter

The Unit Converter is a comprehensive, free online tool for converting between 80+ units across 12 categories. Whether you need to convert length, mass, volume, temperature, or digital storage units, this tool handles it all in your browser.

All processing is done client-side using JavaScript. No data is sent to any server, no sign-up required, and no tracking. The tool works offline after the initial page load and remembers your conversion history between visits.

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