Unit Converter
Convert between 450+ units in 45 categories — from everyday length, weight and temperature to pressure, energy, data storage, and shoe and clothing sizes. Choose a category or search for a unit.
Popular conversions
- Kilometer → Mile
- Centimeter → Inch
- Meter → Foot
- Kilogram → Pound
- Gram → Ounce
- Celsius → Fahrenheit
- Fahrenheit → Celsius
- Liter → US gallon
- Milliliter → US fluid ounce
- Kilometer per hour → Mile per hour
- Square meter → Square foot
- Hectare → Acre
- Kilocalorie (food Calorie) → Kilojoule
- Bar → Pound per square inch
- Kilowatt → Horsepower (mechanical)
- Liter per 100 kilometers → Miles per US gallon
- Gigabyte → Gibibyte
- Megabit per second → Megabyte per second
- Newton meter → Pound-foot
- Decimal (base 10) → Binary (base 2)
Everyday
Science & Engineering
- Accelerationm/s² · g · ft/s²
- ForceN · lbf · kgf · kN
- Pressurebar · psi · kPa · mmHg
- Energykcal · kJ · kWh · MJ
- PowerkW · hp · PS · W
- TorqueN⋅m · lbf⋅ft · kgf⋅m
- Densityg/cm³ · kg/m³ · lb/ft³
- Flow RateL/min · gal/min (US) · m³/h · ft³/min
- Mass Flow Ratekg/h · lb/h · t/h · kg/s
- Dynamic ViscositycP · Pa⋅s · P
- Kinematic ViscositycSt · m²/s · St
- Angle° · rad · gon
- FrequencyHz · rpm · rad/s · MHz
- Amount of Substancemol · mmol · µmol
Electricity & Magnetism
Digital & Computing
Light & Radiation
Shoe & Clothing Sizes
- Men's Shoe SizeUS · UK · EU
- Women's Shoe SizeUS · UK · EU
- Women's Clothing SizeInternational · US · UK
- Men's Clothing SizeInternational · Chest (in) / US / UK · EU
- Men's Shirt SizeInternational · Collar (in) / US / UK · Collar (cm) / EU
- Men's Pants SizeInternational · Waist (in) / US / UK · EU
- Ring SizeUS · UK · EU