Unit Converter
Convert between units of length, weight, temperature, area, volume, speed, and data storage. Upload a text file with values or use the settings panel. Pure JavaScript — no server needed.
Drop files here or click to browse
Select File
About This Tool
How to Use
- 1Select a measurement category (length, weight, temperature, etc.).
- 2Enter the source and target unit names (e.g. "meter" to "foot").
- 3Enter a value to convert, or upload a .txt file with one value per line.
- 4Click "Process" to perform the conversion.
- 5View or download the results.
When to Use
- •When converting between metric and imperial measurements.
- •When working with temperature conversions between Celsius, Fahrenheit, and Kelvin.
- •When calculating data storage sizes across bytes, kilobytes, megabytes, and beyond.
- •When batch-converting lists of measurements from a file.
Tips & Tricks
- ✨Unit names are case-insensitive. Use lowercase names like "meter", "kilogram", "celsius".
- ✨For temperature, the tool handles the non-linear conversions between Celsius, Fahrenheit, and Kelvin correctly.
- ✨Upload a text file with one number per line to batch-convert multiple values at once.
- ✨Available length units: meter, kilometer, centimeter, millimeter, mile, yard, foot, inch.
Frequently Asked Questions
The tool supports seven categories: Length (meter, km, mile, foot, inch, etc.), Weight (kg, gram, pound, ounce, ton), Temperature (Celsius, Fahrenheit, Kelvin), Area (sq meter, acre, hectare, etc.), Volume (liter, gallon, cup, etc.), Speed (m/s, km/h, mph, knots), and Digital Storage (byte, KB, MB, GB, TB).
The tool uses standard conversion factors with JavaScript double-precision floating-point arithmetic, providing accuracy to approximately 15 significant digits. Results are displayed with up to 10 significant figures.
Yes. Upload a .txt file with one numeric value per line, and the tool will convert each value and include all results in the output.
Related Tools
Color Converter
Convert colors between HEX, RGB, and HSL formats instantly. Enter a color in any format and get all three representations. Runs in your browser with pure JavaScript.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports custom bases from 2 to 36. Upload a file for batch conversion. Runs in your browser.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds with auto-detection. Enter a timestamp or a date string. Runs in your browser.