Conversion Calculators
Free online conversion calculators for all your measurement needs. Convert between units of length, weight, volume, temperature, area, currency, and more with our easy-to-use tools. Get accurate conversions instantly for any unit.
Most Popular Conversion Calculators
Currency Converter
Convert between USD, EUR, GBP, JPY, and 150+ world currencies with up-to-date exchange rates.
Use CalculatorLength Unit Converter
Convert between different units of length including meters, feet, inches, and more.
Use CalculatorTemperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales.
Use CalculatorWeight Converter
Convert between kilograms, pounds, ounces, stones, and other weight units.
Use CalculatorArea Converter
Convert between square meters, square feet, acres, hectares, and other area units.
Use CalculatorVolume Converter
Convert between liters, gallons, cubic meters, and other volume units.
Use CalculatorConversion Categories
Weight & Mass Converters
Convert between kilograms, pounds, ounces, stones, and more.
View ConvertersArea Converters
Convert between square meters, square feet, acres, hectares, and more.
View ConvertersCurrency Converters
Convert between USD, EUR, GBP, JPY, and 150+ world currencies.
View Converters NEWUnderstanding Unit Conversions
Why Unit Conversions Matter
Unit conversions are essential in our daily lives, from cooking and shopping to science and engineering. They allow us to express measurements in different units while maintaining the same value, making it easier to understand and communicate information across different systems.
Metric vs. Imperial Systems
The metric system (used in most countries) is based on powers of 10, making conversions simple. The imperial system (used in the US and a few other countries) has more complex conversion factors. Our converters handle both systems seamlessly.
Currency Conversion Basics
Currency exchange rates fluctuate constantly based on economic factors, political events, and market sentiment. Our currency converter provides up-to-date rates for accurate conversions between world currencies.
Common Conversion Mistakes
Many conversion errors occur when people confuse similar units (like ounces and fluid ounces) or forget to square or cube units when converting areas or volumes. Our converters help you avoid these common mistakes.
Frequently Asked Questions
How accurate are your conversion calculators?
+Our conversion calculators use precise conversion factors and are regularly tested for accuracy. For currency conversions, we update exchange rates frequently to ensure the most accurate results possible.
What's the difference between the metric and imperial systems?
+The metric system is based on powers of 10, making it easy to convert between units (e.g., 1 kilometer = 1000 meters). The imperial system uses various conversion factors (e.g., 1 mile = 5280 feet). The metric system is used worldwide, while the imperial system is primarily used in the United States.
How often are currency exchange rates updated?
+Our currency converter uses exchange rates that are updated daily. However, please note that actual exchange rates used by banks and money changers may include additional fees and spreads.
Can I convert between different types of units (e.g., length to area)?
+Our converters are designed to convert between units of the same type (e.g., meters to feet). Converting between different types of units (e.g., length to area) requires additional calculations. For these conversions, you would need to use multiple calculators or specific formulas.