Convertisseur d'Unités - Convertir N'importe Quoi
Convertisseur d'unités en ligne gratuit. Convertissez longueur, poids, température, superficie, volume, temps, vitesse et plus. Rapide, précis et facile à utiliser.
🔄 Universal Converter
Convert any units from 19 categories
💡How it works:
Converting Mètre to Pied in category "length"
1 m = 3.2808399 ftTous les Convertisseurs
Longueur
Convert between meters, kilometers, miles, feet, inches, and more length units.
Poids et Masse
Convert between kilograms, grams, pounds, ounces, and more weight units.
Température
Convert between Celsius, Fahrenheit, and Kelvin temperature scales.
Superficie
Convert between square meters, acres, hectares, and more area units.
Volume
Convert between liters, gallons, milliliters, and more volume units.
Temps
Convert between seconds, minutes, hours, days, and more time units.
Vitesse
Convert between km/h, mph, m/s, knots, and more speed units.
Stockage Numérique
Convert between bytes, KB, MB, GB, TB, and more digital storage units.
Pression
Convert between Pascal, Bar, PSI, and more pressure units.
Énergie
Convert between Joules, calories, kWh, and more energy units.
Puissance
Convert between Watts, kilowatts, horsepower, and more power units.
Angle
Convert between degrees, radians, gradians, and more angle units.
Fréquence
Convert between Hertz, kHz, MHz, GHz, and more frequency units.
Consommation de Carburant
Convert between L/100km, MPG, km/L, and more fuel consumption units.
Débit de Transfert
Convert between bit/s, kbit/s, Mbit/s, MB/s, and more data transfer rate units.
Pixels et DPI
Convert between pixels, inches, centimeters, and more with DPI context.
Couple
Convert between Newton-meters, pound-feet, and more torque units.
Densité
Convert between kg/m³, g/cm³, lb/ft³, and more density units.
Accélération
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