Conversion Calculators

Length, weight, temperature, volume, speed and data units. 72 tools, all free.

Length11

Centimeters to Inches Inches to Centimeters Feet to Meters Meters to Feet Kilometers to Miles Miles to Kilometers Yards to Meters Millimeters to Inches Nautical Miles to Kilometers Feet to Inches Meters to Yards

Weight7

Kilograms to Pounds Pounds to Kilograms Grams to Ounces Ounces to Grams Stone to Kilograms Metric Tons to Kilograms Kilograms to Stone

Temperature3

Celsius to Fahrenheit Fahrenheit to Celsius Celsius to Kelvin

Volume10

Liters to US Gallons US Gallons to Liters Cups to Milliliters Milliliters to Cups Tablespoons to Milliliters Teaspoons to Milliliters Fluid Ounces to Milliliters Cubic Feet to Liters US Pints to Liters US Quarts to Liters

Area4

Square Feet to Square Meters Acres to Square Meters Acres to Hectares Square Kilometers to Square Miles

Speed4

Kilometers per Hour to Miles per Hour Miles per Hour to Kilometers per Hour Meters per Second to Kilometers per Hour Knots to Kilometers per Hour

Data4

Megabytes to Gigabytes Gigabytes to Terabytes Megabits to Megabytes per Second Bits to Bytes

Pressure3

PSI to Bar Bar to Kilopascals Atmospheres to Kilopascals

Energy3

Calories to Joules Kilowatt-hours to Joules BTU to Joules

Power2

Watts to Horsepower Kilowatts to Horsepower

Fuel Economy1

Angles2

Degrees to Radians Radians to Degrees

Cooking3

Grams of Flour to Cups Grams of Sugar to Cups Grams of Butter to Cups

Additional Tools15

Micrometers to Millimeters Nanometers to Micrometers Mils to Millimeters Angstroms to Nanometers Hectopascals to Pascals Millimeters Mercury to Kilopascals Newton-Meters to Foot-Pounds Pound-Feet to Newton-Meters Kilonewtons to Pounds-Force Siemens to Millisiemens Microfarads to Farads Millihenries to Henries Liters per Second to Cubic Meters per Hour Grams per Liter to Kilograms per Cubic Meter Radians per Second to RPM