Unit Converter

Convert between different units of measurement

How to use this tool

Follow these simple steps to convert between units:

  1. Select a category Length, Weight, Temperature, or Volume
  2. Choose the "From" unit and enter a value
  3. Choose the "To" unit to see the result instantly
  4. Adjust the value to see real-time conversions
  5. Copy the result for use in your work

All conversion happens locally in your browser no data is sent to any server.

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Best for these scenarios

This unit converter is particularly useful in these common situations:

  • Cooking and baking Convert between metric and imperial measurements
  • Travel planning Understand distances, weights, and temperatures in local units
  • Home improvement Convert measurements for DIY projects and furniture
  • Fitness and health Track weight, height, and body measurements in your preferred units
  • Academic work Convert units for science, math, and engineering assignments
  • International business Work with measurements from different countries and systems

Whether you're cooking, traveling, studying, or working on projects, this tool helps you convert between units instantly.

Tips and limitations

To get the most out of this unit converter, keep these points in mind:

  • Real-time conversion Results update instantly as you type
  • Browser compatibility Works in all modern browsers (Chrome, Firefox, Safari, Edge)
  • Privacy All conversion happens locally; no data is sent to servers
  • Supported categories Length, Weight, Temperature, and Volume with multiple units each
  • Decimal precision Supports decimal values for precise conversions
  • Limitation Does not cover specialized units like pressure, energy, or currency

For specialized conversions like currency rates or scientific units, consider using dedicated conversion tools alongside this converter.

Online Unit Converter — Convert Length, Weight, Temperature, and Volume

Converting between measurement systems is a common task in daily life, whether you are following a recipe that uses imperial units, calculating a DIY project in metric, or comparing product specifications from different countries. Our free online unit converter handles the four most frequently used categories — length, weight, temperature, and volume — with instant, real-time results.

The tool runs entirely in your browser. There is no server-side processing, no data upload, and no account required. Simply select your category, choose the source and target units, and enter a value. The conversion updates instantly as you type, making it easy to compare multiple values quickly.

Common Conversion Scenarios

  • Cooking: Convert cups to millilitres, ounces to grams, or Fahrenheit to Celsius for international recipes.
  • Travel: Understand speed limits in mph vs km/h, distances in miles vs kilometres, and luggage weight limits in kg vs lbs.
  • Fitness: Track body weight in kilograms or stones and pounds, measure running distances in kilometres or miles.
  • Home improvement: Convert room dimensions, furniture sizes, and material quantities between metric and imperial.

For specialised conversions such as currency exchange rates, pressure units, or energy measurements, we recommend using dedicated tools designed for those specific categories. Our converter focuses on the most frequently requested conversions to keep the interface simple and fast.

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FAQ

What units can I convert?

You can convert length (meters, feet, inches, centimetres), weight (kilograms, pounds, ounces, stones), temperature (Celsius, Fahrenheit, Kelvin), and volume (litres, gallons, millilitres, cups).

Is the conversion accurate?

Yes. All conversion formulas use standard international conversion factors. Results are calculated to several decimal places for precision.

Can I convert currency?

This tool does not support currency conversion because exchange rates change constantly. For currency, use a dedicated financial service that provides live rates.

Is my data sent to a server?

No. All conversions happen locally in your browser using JavaScript. Your input values never leave your device.