Unit Conversion

Every converter on RK Calculator, then a page for each unit listing all of its conversions. For the everyday ones in one place, use the conversion calculator; for what the metric units are and where they come from, see the guide to SI units.

Converters

Length
- Conversion Calculator
- Height Converter
- Length Converter
Area
- Area Converter
Volume
- Volume Converter
Weight and Mass
- Calories to Body Weight Converter
- Weight Converter
Temperature
- Temperature Converter
Time
- Time Converter
Speed
- Speed Converter
Pressure
- Pressure Converter
Energy
- Energy Converter
Power
- Power Converter
Force
- Force Converter
Torque
- Torque Converter
Angle
- Angle Converter
Frequency
- Frequency Converter
Fuel Economy
- Fuel Economy Converter
Electric Car Efficiency
- Electric Car Efficiency Converter
Data Storage
- Data Storage Converter
Data Transfer
- Data Transfer Rate Converter
Electrical Units
- Capacitance Converter
- Electric Charge Converter
- Electric Current Converter
- Electrical Conductance Converter
- Inductance Converter
- Electrical Resistance Converter
- Voltage Converter
Cooking Ingredients
- Butter Converter
- Flour Converter
- Salt Converter
- Sugar Converter
Beer Volume
- Beer Volume Converter

Units

Angle
- Degrees
- Gradians
- Milliradians
- Mils
- Minutes of Arc
- Radians
- Revolutions
- Seconds of Arc
Area
- Acres
- Ares
- Hectares
- Square Centimeters
- Square Feet
- Square Inches
- Square Kilometers
- Square Meters
- Square Miles
- Square Millimeters
- Square Yards
Calories burned
- Calories Burned
Capacitance
- Abfarads
- Farads
- Microfarads
- Millifarads
- Nanofarads
- Picofarads
- Statfarads
Data
- Bits
- Bytes
- Gigabits
- Gigabytes
- Kilobits
- Kilobytes
- Megabits
- Megabytes
Data transfer
- Gigabits per Second
- Kilobits per Second
- Megabits per Second
Electric charge
- Abcoulombs
- Ampere-hours
- Coulombs
- Elementary Charges
- Microcoulombs
- Milliampere-hours
- Millicoulombs
- Nanocoulombs
- Picocoulombs
- Statcoulombs
Electric conductance
- Absiemens
- Kilosiemens
- Megasiemens
- Microsiemens
- Millisiemens
- Siemens
- Statsiemens
Electric current
- Abamperes
- Amperes
- Kiloamperes
- Megaamperes
- Milliamperes
- Statamperes
Electric potential
- Abvolts
- Gigavolts
- Kilovolts
- Megavolts
- Microvolts
- Millivolts
- Nanovolts
- Statvolts
- Volts
Electric resistance
- Abohms
- Gigaohms
- Kiloohms
- Megaohms
- Microohms
- Milliohms
- Nanoohms
- Ohms
- Statohms
Energy
- British Thermal Units
- Calories
- Electronvolts
- Gigajoules
- Joules
- Kilocalories
- Kiloelectronvolts
- Kilojoules
- Kilowatt-hours
- Megacalories
- Megaelectronvolts
- Megajoules
- Megawatt-hours
- Million Btu
- Quads
- Therms
- Watt-hours
EV efficiency
- Kilometers per Kilowatt-hour
- Kilowatt-hours per 100 Km
- Kilowatt-hours per 100 Miles
- Miles per Gallon Equivalent
- Miles per Kilowatt-hour
Force
- Dynes
- Grams-force
- Kilograms-force
- Kilonewtons
- Meganewtons
- Micronewtons
- Millinewtons
- Nanonewtons
- Newtons
- Ounces-force
- Poundals
- Pounds-force
Frequency
- Gigahertz
- Hertz
- Kilohertz
- Megahertz
- Per Second
- Radians per Second
- Revolutions per Minute
- Terahertz
Fuel economy
- Kilometers per Liter
- Liters per 100 Km
- Miles per Gallon
- Miles per Gallon
Inductance
- Abhenries
- Gigahenries
- Henries
- Kilohenries
- Megahenries
- Microhenries
- Millihenries
- Stathenries
Length
- Centimeters
- Feet
- Inches
- Kilometers
- Meters
- Micrometers
- Miles
- Millimeters
- Nanometers
- Yards
Power
- BTU (IT) per Hour
- Horsepower
- Kilocalories per Hour
- Kilowatts
- Megawatts
- Microwatts
- Milliwatts
- Watts
Pressure
- Bars
- Hectopascals
- Kilograms-force per Square Centimeter
- Kilograms-force per Square Meter
- Kilopascals
- Millibars
- Pascals
- Pounds per Square Foot
- Pounds per Square Inch
- Standard Atmospheres
- Torr
Speed
- Centimeters per Second
- Feet per Second
- Kilometers per Hour
- Kilometers per Second
- Knots
- Mach
- Meters per Second
- Miles per Hour
- Speed of Light
Temperature
- Celsius
- Delisle
- Fahrenheit
- Kelvins
- Newton
- Rankine
Time
- Centuries
- Days
- Decades
- Hours
- Microseconds
- Milliseconds
- Minutes
- Months
- Nanoseconds
- Seconds
- Weeks
- Years
Torque
- Foot-pounds
- Inch-pounds
- Newton-meters
Volume
- Beer Barrels
- Beers
- Bombers
- Cases
- Cubic Centimeters
- Cubic Feet
- Cubic Inches
- Cubic Meters
- Cubic Yards
- Dashes
- Drops
- Forties
- Growlers
- Half-barrel Kegs
- Liters
- Milliliters
- Pinches
- Quarter-barrel Kegs
- Six-packs
- Smidgens
- US Cups
- US Fluid Ounces
- US Gallons
- US Liquid Pints
- US Liquid Quarts
- US Tablespoons
- US Teaspoons
Weight and mass
- Carats
- Grams
- Kilograms
- Long Tons
- Metric Tons
- Micrograms
- Milligrams
- Ounces
- Pounds
- Short Tons
- Stones