Unit Converters & Tools

Free online conversion tools for all your needs. Fast, accurate, and easy to use.

Temperature Converter

Convert Celsius, Fahrenheit, and Kelvin

Convert meters, feet, inches, miles

Convert km/h, mph, m/s, and more

Convert kilograms, pounds, ounces

Convert liters, gallons, cups

Encode and decode Base64 strings

Convert numbers to Roman numerals

Convert pixels to inches with DPI

Convert CSV data to JSON format

Convert decimal to binary numbers

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Get conversions in real-time as you type

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Precise conversion formulas and calculations

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Available in 11 languages worldwide