Measurement Utility

Unit Converter

Convert length, weight, temperature, area, volume, speed, time, and data units with quick presets, a full conversion table, and recent history.

8 conversion categories Convert length, weight, temperature, area, volume, speed, time, and data units.
US and global presets Use familiar inch, foot, mile, pound, Fahrenheit, gallon, and square-foot conversions.
Full conversion table Compare one input against every unit in the selected category.
STEP 1

Conversion Input

Choose a category, enter a value, then select the source and target units.

Waiting
Enter a value, choose units, then run the conversion.
PRESETS

Common Conversions

Load common US, travel, shopping, cooking, and tech conversions instantly.

Presets ready
TABLE

Full Conversion Table

View the input converted into every unit in the selected category.

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Unit Value
Enter a value to see the full conversion table.
HISTORY

Recent Conversions

Save recent unit conversions in this browser for quick reuse.

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No conversions saved yet.

Help

What is a unit converter?

A unit converter is a free calculation tool for quickly converting everyday measurement units such as length, weight, temperature, area, volume, speed, time, and data size.

Supported features

  • Convert length, weight, temperature, area, volume, speed, time, and data size
  • Use country-aware common conversion presets
  • Quickly swap source and target units
  • See a full table for every unit in the selected category
  • Save recent conversions and copy results
Daily conversions

Use it for cooking, fitness, shopping, travel, and household measurements.

Travel and global units

Translate miles, kilometers, pounds, gallons, Fahrenheit, and Celsius across regions.

Documents and work

Normalize product specs, reports, technical notes, and listing data.

How does the full conversion table work?

After you enter a value, the table converts it to every unit in the chosen category so you can compare them without repeating the calculation.

What do preset buttons do?

Presets load a common conversion type, source unit, target unit, and sample value instantly.

Why are local presets different by language?

People use different everyday units by country, so the presets prioritize the units most likely to be useful for that language.

Are the results exact?

The tool uses standard conversion constants, but displayed values may be rounded for readability. Verify separately for high-precision engineering or industrial work.