Unit Converter
Convert values between common length units.
Tool code processes selected files and entered content in your browser and does not submit them to a TOOLGRID processing endpoint. TOOLGRID measures tool usage, not the content you enter.
- No TOOLGRID input upload
- No account
- Review before copy
Loading tool…
What this tool does
Measure distances and lengths across metric and imperial units in the browser.
Unit Converter handles common metric and imperial conversions used in everyday work.
It is designed for fast one-off conversions without any setup.
The same workspace covers length, mass, temperature, area, volume, speed, and data size, so you can switch categories without opening a new tool.
Tool code processes selected files and entered content in your browser and does not submit them to a TOOLGRID processing endpoint. Use it for rough checks, handoff notes, spec translation, and engineering sanity checks before committing values elsewhere.
Where this tool earns its place
Convert meters to feet, kilograms to pounds, liters to gallons, or kilometers per hour to miles per hour when adapting specs for another region.
Quickly convert dimensions, weights, and volumes while reviewing product sheets, packaging notes, or technical documentation.
Switch between Celsius, Fahrenheit, and Kelvin for weather, device settings, recipes, lab notes, or troubleshooting instructions.
What to check before relying on the result
- Performance and maximum practical input size depend on browser memory, device speed, and the structure of the input.
- Review the generated result before replacing or publishing an original file.
Open a nearby browser tool when you need to validate, convert, or reuse the result.
How to use
01Use Cases
Convert meters to feet, kilograms to pounds, liters to gallons, or kilometers per hour to miles per hour when adapting specs for another region.
Quickly convert dimensions, weights, and volumes while reviewing product sheets, packaging notes, or technical documentation.
Switch between Celsius, Fahrenheit, and Kelvin for weather, device settings, recipes, lab notes, or troubleshooting instructions.
Translate bits, bytes, KB, MB, GB, and TB when checking upload limits, storage plans, or bandwidth notes.
Tips & Tricks
- 01Temperature conversions are not simple ratios
Celsius, Fahrenheit, and Kelvin include offsets, so they cannot be converted by multiplying alone. Use the temperature category instead of doing mental math.
- 02SI and binary data units differ
Storage vendors often use decimal units while operating systems may display binary units. Check whether your context expects KB/MB/GB or KiB/MiB/GiB.
- 03Round for the decision you are making
The tool shows practical precision, but reports and UI copy often need fewer decimals. Keep full precision for engineering checks and round for human-facing copy.
FAQ
02Which units are supported?
The tool covers eight categories: Length (mm to mi), Weight/Mass (mg to short ton), Temperature (°C, °F, Kelvin), Area (mm² to km², including acres), Volume (ml to US gallon), Speed (m/s, km/h, mph, knots, ft/s), and Data Size (bit to TB in both SI decimal and IEC binary scales). All conversions happen instantly in the browser with no server round-trip.
Can I enter decimal values?
Yes. Decimal values are fully supported for all unit conversions.
How precise are the results?
Results are shown to 6 significant figures.

