Unit Converter - Convert Anything
Free online unit converter. Convert length, weight, temperature, area, volume, time, speed, and more. Fast, accurate, and easy to use.
🔄 Universal Converter
Convert any units from 19 categories
💡How it works:
Converting Meter to Foot in category "length"
1 m = 3.2808399 ftAll Converters
Length
Convert between meters, kilometers, miles, feet, inches, and more length units.
Weight & Mass
Convert between kilograms, grams, pounds, ounces, and more weight units.
Temperature
Convert between Celsius, Fahrenheit, and Kelvin temperature scales.
Area
Convert between square meters, acres, hectares, and more area units.
Volume
Convert between liters, gallons, milliliters, and more volume units.
Time
Convert between seconds, minutes, hours, days, and more time units.
Speed
Convert between km/h, mph, m/s, knots, and more speed units.
Digital Storage
Convert between bytes, KB, MB, GB, TB, and more digital storage units.
Pressure
Convert between Pascal, Bar, PSI, and more pressure units.
Energy
Convert between Joules, calories, kWh, and more energy units.
Power
Convert between Watts, kilowatts, horsepower, and more power units.
Angle
Convert between degrees, radians, gradians, and more angle units.
Frequency
Convert between Hertz, kHz, MHz, GHz, and more frequency units.
Fuel Consumption
Convert between L/100km, MPG, km/L, and more fuel consumption units.
Data Transfer Rate
Convert between bit/s, kbit/s, Mbit/s, MB/s, and more data transfer rate units.
Pixels & DPI
Convert between pixels, inches, centimeters, and more with DPI context.
Torque
Convert between Newton-meters, pound-feet, and more torque units.
Density
Convert between kg/m³, g/cm³, lb/ft³, and more density units.
Acceleration
Convert between m/s², g-force, and more acceleration units.
Why ConvertUni?
⚡ Instant Conversion
Results appear in real-time as you type
🎯 Accurate Calculations
We use official formulas for precision
🌐 Multilingual
Available in English and Russian
Frequently Asked Questions
How do I use the unit converter?
Simply select a category, then choose the pair of units you want to convert. Enter a value in the "From" field and instantly get the result in the "To" field. For pixels, you can adjust DPI for accurate conversion.
How accurate are the conversions?
All our conversions use official mathematical formulas and constants. Results are accurate up to 10 decimal places.
Is ConvertUni free to use?
Yes! ConvertUni is completely free, with no registration, no ads, and no limitations.
How does pixel to centimeter conversion work?
For converting pixels to physical units (cm, mm, inches), the DPI (dots per inch) parameter is critical. You can select different DPI values: 72 (standard), 96 (web), 150 (print), 300 (high quality), or 600 (professional print).
Key Features
150+ Units Supported
From pixels to kilometers, from bytes to terabytes
Advanced Settings
DPI selector for pixels, formulas, examples
Responsive Design
Works perfectly on all devices
No Registration
Start using immediately, no account needed