Length, weight, temperature, volume and more.

Unit Converter

Convert common units directly in your browser: meters to feet, kilograms to pounds, Celsius to Fahrenheit, liters to gallons, kilometers per hour to miles per hour and more.

General utility for common conversions. Verify critical results with a specialized source.

Convert units

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

How to use the unit converter

This converter lets you transform values between common units from different categories. You can use it for everyday calculations, assignments, quick references, travel, recipes, training, simple technical measurements or comparisons between measurement systems.

The tool runs directly in your browser. Choose a category, enter the value, select the source unit and the target unit, and the result is calculated instantly.

Available categories

Length: meters, kilometers, centimeters, millimeters, inches, feet, yards and miles.
Weight / mass: grams, kilograms, metric tons, ounces and pounds.
Temperature: Celsius, Fahrenheit and Kelvin.
Volume: milliliters, liters, cubic meters, cups, pints, gallons and fluid ounces.
Area: square meters, square kilometers, hectares, square feet, acres and square miles.
Speed: kilometers per hour, meters per second, miles per hour and knots.
Time: seconds, minutes, hours, days, weeks, approximate months and approximate years.
Digital data: bytes, kilobytes, megabytes, gigabytes and terabytes.

Important

Some conversions are approximate, especially months and years in the time category. This tool is useful for general conversions, but it does not replace technical, scientific, legal or professional calculations.

Units without guesswork

Why unit conversion needs context

Unit conversion is not just a matter of multiplying numbers. The user also needs to know which category is being converted, whether the units belong to the same measurement family, and whether the result should be exact or rounded for practical use. A temperature conversion behaves differently from a length or weight conversion because it uses an offset, not only a ratio.

This converter keeps common units grouped by category. That reduces accidental conversions between unrelated units and makes everyday checks faster: travel distances, recipes, product dimensions, speed, storage size, time and temperature.

Best uses

Quick checks for recipes, travel, shipping, dimensions and digital storage.
Switching between metric and imperial units.
Estimating practical values before writing or sharing them.

Precision notes

Some conversions are exact by definition and others are rounded for readability.
Temperature uses formulas with an offset, so it is not the same as scaling length or weight.
Use more precise tools for engineering or regulated measurements.

Reading results

Check the unit label before copying the result.
Keep the original number when traceability matters.
Round according to the use case, not before.

Frequently asked questions

Which units can I convert?

You can convert length, weight, temperature, volume, area, speed, time and digital data units.

Are calculations saved?

No. Conversions are calculated directly in your browser and you do not need to create an account.

Does temperature conversion work like the others?

Not exactly. Temperature uses specific formulas because Celsius, Fahrenheit and Kelvin cannot be converted with a simple multiplication factor.

Is this a professional scientific tool?

No. It is a general utility for common conversions. For technical, scientific or legal uses, always verify with a specialized source.