Most Popular Unit Converters
Our comprehensive collection of free online unit converters makes converting between different measurement units quick and accurate. Whether you're a student, engineer, chef, or just need to convert measurements for everyday use, we have the tools you need.
Length Converter
Convert between meters, feet, inches, centimeters, miles, and kilometers instantly. Perfect for construction, travel, and everyday measurements.
Weight Converter
Convert kilograms, pounds, ounces, grams, and tons with precision. Essential for cooking, shipping, and fitness tracking.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin. Perfect for cooking, weather, and scientific applications.
Why Use Our Unit Converter Tools?
Instant Results
Get accurate conversions immediately as you type. Our real-time calculator provides instant feedback for all your measurement needs.
Mobile-Friendly Design
All our converters work perfectly on desktop, tablet, and mobile devices. Convert units anywhere, anytime.
40+ Conversion Tools
From basic length and weight to specialized electrical and thermal converters, we cover all measurement categories.
Always Free
No registration, no downloads, no limits. Our unit conversion tools are completely free to use forever.
Accurate Conversion Formulas
All our unit converters use scientifically accurate conversion formulas and factors. We source our conversion ratios from authoritative standards organizations to ensure precision in every calculation.
Common Conversion Examples
- 1 meter = 3.28084 feet - Essential for construction and international measurements
- 1 kilogram = 2.20462 pounds - Perfect for weight and fitness conversions
- 0°C = 32°F - Water freezing point conversion for weather and cooking
- 1 liter = 0.264172 gallons - Useful for fuel and liquid measurements
- 1 inch = 2.54 centimeters - Standard for small measurements and crafts
Specialized Measurement Categories
Beyond basic conversions, we offer specialized tools for professional and technical applications:
Electrical Converters
Current, voltage, resistance, and conductivity converters for electrical engineering.
Thermal Converters
Heat transfer, thermal conductivity, and temperature-related professional tools.
Light & Optics
Luminance, illumination, and optical measurement converters.
Fluid Dynamics
Flow rate, viscosity, and fluid measurement conversion tools.