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Convert Any Unit — Free Online Unit Converter

Convertisseur d'unites gratuit en ligne. Convertissez poids, longueur, temperature, volume et plus instantanement.

Conversion Categories

W
Poids
6 conversions
L
Longueur
6 conversions
T
Temperature
3 conversions
V
Volume
5 conversions
A
Surface
3 conversions
S
Vitesse
3 conversions
D
Stockage numerique
4 conversions
H
Temps
4 conversions

Popular Conversions

5 kg to lbs = 11,0231 lbs10 lbs to kg = 4,5359 kg100 cm to in = 39,3701 in10 km to mi = 6,2137 mi100 °C to °F = 212,00 °F72 °F to °C = 22,2222 °C5 L to gal = 1,3209 gal10 m to ft = 32,8084 ft26 mi to km = 41,8428 km100 g to oz = 3,5274 oz12 in to cm = 30,48 cm6 ft to m = 1,8288 m100 m² to ft² = 1 076,39 ft²100 km/h to mph = 62,1371 mph2 cup to mL = 473,176 mLGigaoctets to MegaoctetsKilogrammes to LivresCelsius to FahrenheitKilometres to MilesLitres to GallonsLivres to KilogrammesPouces to CentimetresFahrenheit to CelsiusMillilitres to Onces liquidesAcres to Hectaresmph to km/hHeures to MinutesMegaoctets to GigaoctetsJours to HeuresMetres to Pieds

All Conversions

Poids

Kilogrammes to LivresLivres to KilogrammesGrammes to OncesOnces to GrammesLivres to OncesOnces to LivresKilogrammes to StoneStone to KilogrammesMilligrammes to GrammesGrammes to MilligrammesTonnes to KilogrammesKilogrammes to Tonnes

Longueur

Centimetres to PoucesPouces to CentimetresMetres to PiedsPieds to MetresKilometres to MilesMiles to KilometresMillimetres to CentimetresCentimetres to MillimetresYards to MetresMetres to YardsPouces to PiedsPieds to Pouces

Temperature

Celsius to FahrenheitFahrenheit to CelsiusCelsius to KelvinKelvin to CelsiusFahrenheit to KelvinKelvin to Fahrenheit

Volume

Litres to GallonsGallons to LitresMillilitres to Onces liquidesOnces liquides to MillilitresTasses to MillilitresMillilitres to TassesCuilleres a soupe to MillilitresMillilitres to Cuilleres a soupeLitres to QuartsQuarts to Litres

Surface

Metres carres to Pieds carresPieds carres to Metres carresAcres to HectaresHectares to AcresKilometres carres to Miles carresMiles carres to Kilometres carres

Vitesse

km/h to mphmph to km/hm/s to km/hkm/h to m/sNoeuds to km/hkm/h to Noeuds

Stockage numerique

Megaoctets to GigaoctetsGigaoctets to MegaoctetsGigaoctets to TeraoctetsTeraoctets to GigaoctetsKilooctets to MegaoctetsMegaoctets to KilooctetsBits to OctetsOctets to Bits

Temps

Heures to MinutesMinutes to HeuresJours to HeuresHeures to JoursSemaines to JoursJours to SemainesAnnees to JoursJours to Annees

Frequently Asked Questions

How does unit conversion work?
Unit conversion uses a mathematical relationship (conversion factor) between two units. Multiply the value by the conversion factor to get the equivalent in the target unit. For example, to convert kg to lbs, multiply by 2.20462.
How do I convert Celsius to Fahrenheit?
Use the formula: °F = (°C × 9/5) + 32. For example, 100°C = (100 × 9/5) + 32 = 212°F.
How many kilometers are in a mile?
One mile equals approximately 1.60934 kilometers. Conversely, one kilometer equals approximately 0.621371 miles.
What is the difference between fluid ounces and ounces?
Fluid ounces measure volume (liquid capacity), while ounces measure weight (mass). They are different measurement types and cannot be directly converted without knowing the density of the substance.
Are the conversion factors exact?
Most conversion factors we use are accurate to at least 6 significant digits, which is precise enough for everyday and professional use. Some conversions (like inches to centimeters: exactly 2.54) are defined exactly.
Is this converter free to use?
Yes, completely free with no sign-up required. All conversions are instant and include step-by-step explanations so you can understand the math.