How do I convert between units?

Select the category of units you want to convert, enter a value in the 'From' field, choose your source and target units, and the conversion happens instantly.

What types of units can I convert?

You can convert length, weight, temperature, volume, area, speed, digital storage, time, programming number bases, and approximate currency values.

Are the conversions accurate?

Yes, all unit conversions use standard conversion factors and are accurate. Currency conversions use approximate rates and should be verified for financial transactions.

Unit Converter Online - Free Metric & Imperial Conversion Calculator

Convert Between Any Units

A comprehensive unit converter supporting length, weight, temperature, volume, digital storage, currency, and more. Convert between metric and imperial units, programming values, and custom formulas.

Select Unit Category

Choose from 10 different measurement categories to convert between units.

Length Converter

From:

To:

Quick Conversions

Custom Formula Calculator

Enter a mathematical expression (e.g., "5 * 9/5 + 32" for Celsius to Fahrenheit)

Common Unit Conversions

Length Conversions

1 mile = 1.60934 kilometers
1 meter = 3.28084 feet
1 inch = 2.54 centimeters

Weight Conversions

1 pound = 0.453592 kilograms
1 kilogram = 2.20462 pounds
1 ounce = 28.3495 grams

Temperature Formulas

°F = °C × 9/5 + 32
°C = (°F - 32) × 5/9
K = °C + 273.15

Unit Converter